Finding the Fourth Proportional to 187,423.58, 281,149.94 and 54,305.75
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Solution
The fourth proportional to 187,423.58, 281,149.94 and 54,305.75 is: 81,462.84
Step by Step Solution
- Step 1: Write the proportion equation
187,423.58 : 281,149.94 = 54,305.75 : x - Step 2: Convert to fraction form
187,423.58/281,149.94 = 54,305.75/x - Step 3: Cross multiply
187,423.58x = 281,149.94 × 54,305.75 - Step 4: Simplify right side
187,423.58x = 15,268,057,084.17 - Step 5: Solve for x
x = 15,268,057,084.17/187,423.58 - Step 6: Final answer
x = 81,462.84
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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.