Finding the Fourth Proportional to 187,725.18, 281,585.20 and 45,571.55
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Solution
The fourth proportional to 187,725.18, 281,585.20 and 45,571.55 is: 68,356.70
Step by Step Solution
- Step 1: Write the proportion equation
187,725.18 : 281,585.20 = 45,571.55 : x - Step 2: Convert to fraction form
187,725.18/281,585.20 = 45,571.55/x - Step 3: Cross multiply
187,725.18x = 281,585.20 × 45,571.55 - Step 4: Simplify right side
187,725.18x = 12,832,272,613.13 - Step 5: Solve for x
x = 12,832,272,613.13/187,725.18 - Step 6: Final answer
x = 68,356.70
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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.