Finding the Fourth Proportional to 280,119.57, 386,549.33 and 159,244.08
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Solution
The fourth proportional to 280,119.57, 386,549.33 and 159,244.08 is: 219,747.92
Step by Step Solution
- Step 1: Write the proportion equation
280,119.57 : 386,549.33 = 159,244.08 : x - Step 2: Convert to fraction form
280,119.57/386,549.33 = 159,244.08/x - Step 3: Cross multiply
280,119.57x = 386,549.33 × 159,244.08 - Step 4: Simplify right side
280,119.57x = 61,555,691,634.25 - Step 5: Solve for x
x = 61,555,691,634.25/280,119.57 - Step 6: Final answer
x = 219,747.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.