Finding the Fourth Proportional to 132,398.19, 198,534.87 and 48,098.91
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Solution
The fourth proportional to 132,398.19, 198,534.87 and 48,098.91 is: 72,125.69
Step by Step Solution
- Step 1: Write the proportion equation
132,398.19 : 198,534.87 = 48,098.91 : x - Step 2: Convert to fraction form
132,398.19/198,534.87 = 48,098.91/x - Step 3: Cross multiply
132,398.19x = 198,534.87 × 48,098.91 - Step 4: Simplify right side
132,398.19x = 9,549,310,843.99 - Step 5: Solve for x
x = 9,549,310,843.99/132,398.19 - Step 6: Final answer
x = 72,125.69
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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.