Finding the Fourth Proportional to 272,591.68, 409,062.48 and 132,273.76
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Solution
The fourth proportional to 272,591.68, 409,062.48 and 132,273.76 is: 198,495.54
Step by Step Solution
- Step 1: Write the proportion equation
272,591.68 : 409,062.48 = 132,273.76 : x - Step 2: Convert to fraction form
272,591.68/409,062.48 = 132,273.76/x - Step 3: Cross multiply
272,591.68x = 409,062.48 × 132,273.76 - Step 4: Simplify right side
272,591.68x = 54,108,232,304.52 - Step 5: Solve for x
x = 54,108,232,304.52/272,591.68 - Step 6: Final answer
x = 198,495.54
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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.