Finding the Fourth Proportional to 144,612.87, 216,939.95 and 44,781.99
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Solution
The fourth proportional to 144,612.87, 216,939.95 and 44,781.99 is: 67,179.38
Step by Step Solution
- Step 1: Write the proportion equation
144,612.87 : 216,939.95 = 44,781.99 : x - Step 2: Convert to fraction form
144,612.87/216,939.95 = 44,781.99/x - Step 3: Cross multiply
144,612.87x = 216,939.95 × 44,781.99 - Step 4: Simplify right side
144,612.87x = 9,715,002,671.50 - Step 5: Solve for x
x = 9,715,002,671.50/144,612.87 - Step 6: Final answer
x = 67,179.38
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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.