Finding the Fourth Proportional to 132,519.99, 198,781.08 and 48,340.47
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Solution
The fourth proportional to 132,519.99, 198,781.08 and 48,340.47 is: 72,511.10
Step by Step Solution
- Step 1: Write the proportion equation
132,519.99 : 198,781.08 = 48,340.47 : x - Step 2: Convert to fraction form
132,519.99/198,781.08 = 48,340.47/x - Step 3: Cross multiply
132,519.99x = 198,781.08 × 48,340.47 - Step 4: Simplify right side
132,519.99x = 9,609,170,834.31 - Step 5: Solve for x
x = 9,609,170,834.31/132,519.99 - Step 6: Final answer
x = 72,511.10
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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.