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About: Ratios and Rates: Proportions

Module by: Wade Ellis, Denny Burzynski. E-mail the authors

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Name: Ratios and Rates: Proportions
ID: m34981
Language: English (en)
Summary: This module is from Fundamentals of Mathematics by Denny Burzynski and Wade Ellis, Jr. This module discusses proportions. By the end of the module students should be able to describe proportions and find the missing factor in a proportion and be able to work with proportions involving rates.
Subject: Mathematics and Statistics
Keywords: Burzynski, Ellis, factor, Fundamentals, Mathematics, proportions, rates, ratios
License: Creative Commons Attribution License CC-BY 3.0

Authors: Wade Ellis (, Denny Burzynski (
Copyright Holders: Wade Ellis (, Denny Burzynski (
Maintainers: Wade Ellis (, Denny Burzynski (, UniqU, LLC (, Math Editors (, Connexions (
Editors: Math Editors (

Latest version: 1.2 (history)
First publication date: Jul 9, 2010 10:51 pm -0500
Last revision to module: Aug 18, 2010 8:49 pm -0500


PDF: m34981_1.2.pdf PDF file, for viewing content offline and printing. Learn more.
XML: m34981_1.2.cnxml XML that defines the structure and contents of the module, minus any included media files. Can be reimported in the editing interface. Learn more.

Version History

Version: 1.2 Aug 18, 2010 8:49 pm -0500 by Collins Williamson
value added features added, metadata, accessibility, QA checks, links, and image sizing adjusted.

Version: 1.1 Aug 4, 2010 11:40 pm -0500 by Collins Williamson
initial publication

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American Chemical Society (ACS) Style Guide:

Ellis, W.; Burzynski, D. Ratios and Rates: Proportions, OpenStax-CNX Web site., Aug 18, 2010.

American Medical Assocation (AMA) Manual of Style:

Ellis W, Burzynski D. Ratios and Rates: Proportions [OpenStax-CNX Web site]. August 18, 2010. Available at:

American Psychological Assocation (APA) Publication Manual:

Ellis, W., & Burzynski, D. (2010, August 18). Ratios and Rates: Proportions. Retrieved from the OpenStax-CNX Web site:

Chicago Manual of Style (Bibliography):

Ellis, Wade, and Denny Burzynski. "Ratios and Rates: Proportions." OpenStax-CNX. August 18, 2010.

Chicago Manual of Style (Note):

Wade Ellis and Denny Burzynski, "Ratios and Rates: Proportions," OpenStax-CNX, August 18, 2010,

Chicago Manual of Style (Reference, in Author-Date style):

Ellis, W., & Burzynski, D. 2010. Ratios and Rates: Proportions. OpenStax-CNX, August 18, 2010.

Modern Languages Association (MLA) Style Manual:

Ellis, Wade, and Denny Burzynski. Ratios and Rates: Proportions. OpenStax-CNX. 18 Aug. 2010 <>.