Finding the Fourth Proportional to 237,343.14, 327,542.55 and 135,385.20
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Solution
The fourth proportional to 237,343.14, 327,542.55 and 135,385.20 is: 186,836.72
Step by Step Solution
- Step 1: Write the proportion equation
237,343.14 : 327,542.55 = 135,385.20 : x - Step 2: Convert to fraction form
237,343.14/327,542.55 = 135,385.20/x - Step 3: Cross multiply
237,343.14x = 327,542.55 × 135,385.20 - Step 4: Simplify right side
237,343.14x = 44,344,413,640.26 - Step 5: Solve for x
x = 44,344,413,640.26/237,343.14 - Step 6: Final answer
x = 186,836.72
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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.