Finding the Fourth Proportional to 132,213.13, 198,344.30 and 43,470.14
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Solution
The fourth proportional to 132,213.13, 198,344.30 and 43,470.14 is: 65,213.29
Step by Step Solution
- Step 1: Write the proportion equation
132,213.13 : 198,344.30 = 43,470.14 : x - Step 2: Convert to fraction form
132,213.13/198,344.30 = 43,470.14/x - Step 3: Cross multiply
132,213.13x = 198,344.30 × 43,470.14 - Step 4: Simplify right side
132,213.13x = 8,622,053,280.13 - Step 5: Solve for x
x = 8,622,053,280.13/132,213.13 - Step 6: Final answer
x = 65,213.29
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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.