Finding the Fourth Proportional to 392,711.18, 589,072.68 and 149,565.71
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Solution
The fourth proportional to 392,711.18, 589,072.68 and 149,565.71 is: 224,350.81
Step by Step Solution
- Step 1: Write the proportion equation
392,711.18 : 589,072.68 = 149,565.71 : x - Step 2: Convert to fraction form
392,711.18/589,072.68 = 149,565.71/x - Step 3: Cross multiply
392,711.18x = 589,072.68 × 149,565.71 - Step 4: Simplify right side
392,711.18x = 88,105,070,680.44 - Step 5: Solve for x
x = 88,105,070,680.44/392,711.18 - Step 6: Final answer
x = 224,350.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.