Finding the Fourth Proportional to 398,523.96, 597,655.92 and 132,212.97
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Solution
The fourth proportional to 398,523.96, 597,655.92 and 132,212.97 is: 198,276.32
Step by Step Solution
- Step 1: Write the proportion equation
398,523.96 : 597,655.92 = 132,212.97 : x - Step 2: Convert to fraction form
398,523.96/597,655.92 = 132,212.97/x - Step 3: Cross multiply
398,523.96x = 597,655.92 × 132,212.97 - Step 4: Simplify right side
398,523.96x = 79,017,864,221.28 - Step 5: Solve for x
x = 79,017,864,221.28/398,523.96 - Step 6: Final answer
x = 198,276.32
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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.