Finding the Fourth Proportional to 281,691.20, 422,532.72 and 68,460.68
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Solution
The fourth proportional to 281,691.20, 422,532.72 and 68,460.68 is: 102,690.03
Step by Step Solution
- Step 1: Write the proportion equation
281,691.20 : 422,532.72 = 68,460.68 : x - Step 2: Convert to fraction form
281,691.20/422,532.72 = 68,460.68/x - Step 3: Cross multiply
281,691.20x = 422,532.72 × 68,460.68 - Step 4: Simplify right side
281,691.20x = 28,926,877,333.45 - Step 5: Solve for x
x = 28,926,877,333.45/281,691.20 - Step 6: Final answer
x = 102,690.03
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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.