Finding the Fourth Proportional to 354,789.48, 532,254.21 and 130,151.97
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Solution
The fourth proportional to 354,789.48, 532,254.21 and 130,151.97 is: 195,253.63
Step by Step Solution
- Step 1: Write the proportion equation
354,789.48 : 532,254.21 = 130,151.97 : x - Step 2: Convert to fraction form
354,789.48/532,254.21 = 130,151.97/x - Step 3: Cross multiply
354,789.48x = 532,254.21 × 130,151.97 - Step 4: Simplify right side
354,789.48x = 69,273,933,972.29 - Step 5: Solve for x
x = 69,273,933,972.29/354,789.48 - Step 6: Final answer
x = 195,253.63
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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.