Finding the Fourth Proportional to 187,753.26, 281,626.81 and 45,599.70
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Solution
The fourth proportional to 187,753.26, 281,626.81 and 45,599.70 is: 68,398.81
Step by Step Solution
- Step 1: Write the proportion equation
187,753.26 : 281,626.81 = 45,599.70 : x - Step 2: Convert to fraction form
187,753.26/281,626.81 = 45,599.70/x - Step 3: Cross multiply
187,753.26x = 281,626.81 × 45,599.70 - Step 4: Simplify right side
187,753.26x = 12,842,099,161.06 - Step 5: Solve for x
x = 12,842,099,161.06/187,753.26 - Step 6: Final answer
x = 68,398.81
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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.