Finding the Fourth Proportional to 79,149.24, 118,711.17 and 29,252.88
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Solution
The fourth proportional to 79,149.24, 118,711.17 and 29,252.88 is: 43,874.63
Step by Step Solution
- Step 1: Write the proportion equation
79,149.24 : 118,711.17 = 29,252.88 : x - Step 2: Convert to fraction form
79,149.24/118,711.17 = 29,252.88/x - Step 3: Cross multiply
79,149.24x = 118,711.17 × 29,252.88 - Step 4: Simplify right side
79,149.24x = 3,472,643,610.67 - Step 5: Solve for x
x = 3,472,643,610.67/79,149.24 - Step 6: Final answer
x = 43,874.63
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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.