Finding the Fourth Proportional to 283,934.13, 425,959.95 and 115,454.46
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Solution
The fourth proportional to 283,934.13, 425,959.95 and 115,454.46 is: 173,205.58
Step by Step Solution
- Step 1: Write the proportion equation
283,934.13 : 425,959.95 = 115,454.46 : x - Step 2: Convert to fraction form
283,934.13/425,959.95 = 115,454.46/x - Step 3: Cross multiply
283,934.13x = 425,959.95 × 115,454.46 - Step 4: Simplify right side
283,934.13x = 49,178,976,008.88 - Step 5: Solve for x
x = 49,178,976,008.88/283,934.13 - Step 6: Final answer
x = 173,205.58
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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.