Finding the Fourth Proportional to 392,624.08, 541,683.16 and 256,737.52
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Solution
The fourth proportional to 392,624.08, 541,683.16 and 256,737.52 is: 354,207.49
Step by Step Solution
- Step 1: Write the proportion equation
392,624.08 : 541,683.16 = 256,737.52 : x - Step 2: Convert to fraction form
392,624.08/541,683.16 = 256,737.52/x - Step 3: Cross multiply
392,624.08x = 541,683.16 × 256,737.52 - Step 4: Simplify right side
392,624.08x = 139,070,391,124.16 - Step 5: Solve for x
x = 139,070,391,124.16/392,624.08 - Step 6: Final answer
x = 354,207.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.