Finding the Fourth Proportional to 257,060.28, 385,508.26 and 88,540.09
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Solution
The fourth proportional to 257,060.28, 385,508.26 and 88,540.09 is: 132,781.83
Step by Step Solution
- Step 1: Write the proportion equation
257,060.28 : 385,508.26 = 88,540.09 : x - Step 2: Convert to fraction form
257,060.28/385,508.26 = 88,540.09/x - Step 3: Cross multiply
257,060.28x = 385,508.26 × 88,540.09 - Step 4: Simplify right side
257,060.28x = 34,132,935,183.05 - Step 5: Solve for x
x = 34,132,935,183.05/257,060.28 - Step 6: Final answer
x = 132,781.83
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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.