Finding the Fourth Proportional to 237,021.12, 327,086.91 and 129,590.01
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Solution
The fourth proportional to 237,021.12, 327,086.91 and 129,590.01 is: 178,832.99
Step by Step Solution
- Step 1: Write the proportion equation
237,021.12 : 327,086.91 = 129,590.01 : x - Step 2: Convert to fraction form
237,021.12/327,086.91 = 129,590.01/x - Step 3: Cross multiply
237,021.12x = 327,086.91 × 129,590.01 - Step 4: Simplify right side
237,021.12x = 42,387,195,937.77 - Step 5: Solve for x
x = 42,387,195,937.77/237,021.12 - Step 6: Final answer
x = 178,832.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.