Finding the Fourth Proportional to 281,853.62, 422,849.48 and 92,324.15
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Solution
The fourth proportional to 281,853.62, 422,849.48 and 92,324.15 is: 138,508.84
Step by Step Solution
- Step 1: Write the proportion equation
281,853.62 : 422,849.48 = 92,324.15 : x - Step 2: Convert to fraction form
281,853.62/422,849.48 = 92,324.15/x - Step 3: Cross multiply
281,853.62x = 422,849.48 × 92,324.15 - Step 4: Simplify right side
281,853.62x = 39,039,218,818.94 - Step 5: Solve for x
x = 39,039,218,818.94/281,853.62 - Step 6: Final answer
x = 138,508.84
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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.