Finding the Fourth Proportional to 272,446.14, 408,684.56 and 82,912.68
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Solution
The fourth proportional to 272,446.14, 408,684.56 and 82,912.68 is: 124,373.69
Step by Step Solution
- Step 1: Write the proportion equation
272,446.14 : 408,684.56 = 82,912.68 : x - Step 2: Convert to fraction form
272,446.14/408,684.56 = 82,912.68/x - Step 3: Cross multiply
272,446.14x = 408,684.56 × 82,912.68 - Step 4: Simplify right side
272,446.14x = 33,885,132,144.22 - Step 5: Solve for x
x = 33,885,132,144.22/272,446.14 - Step 6: Final answer
x = 124,373.69
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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.