Finding the Fourth Proportional to 187,674.64, 281,356.80 and 87,785.68
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Solution
The fourth proportional to 187,674.64, 281,356.80 and 87,785.68 is: 131,605.94
Step by Step Solution
- Step 1: Write the proportion equation
187,674.64 : 281,356.80 = 87,785.68 : x - Step 2: Convert to fraction form
187,674.64/281,356.80 = 87,785.68/x - Step 3: Cross multiply
187,674.64x = 281,356.80 × 87,785.68 - Step 4: Simplify right side
187,674.64x = 24,699,098,010.62 - Step 5: Solve for x
x = 24,699,098,010.62/187,674.64 - Step 6: Final answer
x = 131,605.94
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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.