Finding the Fourth Proportional to 226,330.08, 339,593.52 and 86,128.80
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Solution
The fourth proportional to 226,330.08, 339,593.52 and 86,128.80 is: 129,230.65
Step by Step Solution
- Step 1: Write the proportion equation
226,330.08 : 339,593.52 = 86,128.80 : x - Step 2: Convert to fraction form
226,330.08/339,593.52 = 86,128.80/x - Step 3: Cross multiply
226,330.08x = 339,593.52 × 86,128.80 - Step 4: Simplify right side
226,330.08x = 29,248,782,365.38 - Step 5: Solve for x
x = 29,248,782,365.38/226,330.08 - Step 6: Final answer
x = 129,230.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.