Finding the Fourth Proportional to 416,231.29, 574,399.17 and 225,244.68
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Solution
The fourth proportional to 416,231.29, 574,399.17 and 225,244.68 is: 310,837.65
Step by Step Solution
- Step 1: Write the proportion equation
416,231.29 : 574,399.17 = 225,244.68 : x - Step 2: Convert to fraction form
416,231.29/574,399.17 = 225,244.68/x - Step 3: Cross multiply
416,231.29x = 574,399.17 × 225,244.68 - Step 4: Simplify right side
416,231.29x = 129,380,357,238.92 - Step 5: Solve for x
x = 129,380,357,238.92/416,231.29 - Step 6: Final answer
x = 310,837.65
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1.5x scale
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.