Finding the Fourth Proportional to 132,161.40, 198,272.88 and 38,674.44
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Solution
The fourth proportional to 132,161.40, 198,272.88 and 38,674.44 is: 58,020.67
Step by Step Solution
- Step 1: Write the proportion equation
132,161.40 : 198,272.88 = 38,674.44 : x - Step 2: Convert to fraction form
132,161.40/198,272.88 = 38,674.44/x - Step 3: Cross multiply
132,161.40x = 198,272.88 × 38,674.44 - Step 4: Simplify right side
132,161.40x = 7,668,092,601.19 - Step 5: Solve for x
x = 7,668,092,601.19/132,161.40 - Step 6: Final answer
x = 58,020.67
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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.