Finding the Fourth Proportional to 132,387.48, 198,668.70 and 62,272.26
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Solution
The fourth proportional to 132,387.48, 198,668.70 and 62,272.26 is: 93,449.54
Step by Step Solution
- Step 1: Write the proportion equation
132,387.48 : 198,668.70 = 62,272.26 : x - Step 2: Convert to fraction form
132,387.48/198,668.70 = 62,272.26/x - Step 3: Cross multiply
132,387.48x = 198,668.70 × 62,272.26 - Step 4: Simplify right side
132,387.48x = 12,371,548,940.26 - Step 5: Solve for x
x = 12,371,548,940.26/132,387.48 - Step 6: Final answer
x = 93,449.54
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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.