Finding the Fourth Proportional to 281,711.54, 422,703.99 and 123,919.49
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Solution
The fourth proportional to 281,711.54, 422,703.99 and 123,919.49 is: 185,939.35
Step by Step Solution
- Step 1: Write the proportion equation
281,711.54 : 422,703.99 = 123,919.49 : x - Step 2: Convert to fraction form
281,711.54/422,703.99 = 123,919.49/x - Step 3: Cross multiply
281,711.54x = 422,703.99 × 123,919.49 - Step 4: Simplify right side
281,711.54x = 52,381,260,748.25 - Step 5: Solve for x
x = 52,381,260,748.25/281,711.54 - Step 6: Final answer
x = 185,939.35
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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.