Finding the Fourth Proportional to 237,143.71, 327,251.36 and 129,711.42
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Solution
The fourth proportional to 237,143.71, 327,251.36 and 129,711.42 is: 178,997.95
Step by Step Solution
- Step 1: Write the proportion equation
237,143.71 : 327,251.36 = 129,711.42 : x - Step 2: Convert to fraction form
237,143.71/327,251.36 = 129,711.42/x - Step 3: Cross multiply
237,143.71x = 327,251.36 × 129,711.42 - Step 4: Simplify right side
237,143.71x = 42,448,236,317.72 - Step 5: Solve for x
x = 42,448,236,317.72/237,143.71 - Step 6: Final answer
x = 178,997.95
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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.