Finding the Fourth Proportional to 393,767.26, 590,708.85 and 127,439.26
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Solution
The fourth proportional to 393,767.26, 590,708.85 and 127,439.26 is: 191,177.65
Step by Step Solution
- Step 1: Write the proportion equation
393,767.26 : 590,708.85 = 127,439.26 : x - Step 2: Convert to fraction form
393,767.26/590,708.85 = 127,439.26/x - Step 3: Cross multiply
393,767.26x = 590,708.85 × 127,439.26 - Step 4: Simplify right side
393,767.26x = 75,279,498,719.45 - Step 5: Solve for x
x = 75,279,498,719.45/393,767.26 - Step 6: Final answer
x = 191,177.65
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1.5x scale
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.