Finding the Fourth Proportional to 392,981.76, 589,543.92 and 224,691.84
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Solution
The fourth proportional to 392,981.76, 589,543.92 and 224,691.84 is: 337,078.52
Step by Step Solution
- Step 1: Write the proportion equation
392,981.76 : 589,543.92 = 224,691.84 : x - Step 2: Convert to fraction form
392,981.76/589,543.92 = 224,691.84/x - Step 3: Cross multiply
392,981.76x = 589,543.92 × 224,691.84 - Step 4: Simplify right side
392,981.76x = 132,465,708,145.61 - Step 5: Solve for x
x = 132,465,708,145.61/392,981.76 - Step 6: Final answer
x = 337,078.52
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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.