Finding the Fourth Proportional to 416,186.38, 574,338.24 and 225,201.76
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Solution
The fourth proportional to 416,186.38, 574,338.24 and 225,201.76 is: 310,778.99
Step by Step Solution
- Step 1: Write the proportion equation
416,186.38 : 574,338.24 = 225,201.76 : x - Step 2: Convert to fraction form
416,186.38/574,338.24 = 225,201.76/x - Step 3: Cross multiply
416,186.38x = 574,338.24 × 225,201.76 - Step 4: Simplify right side
416,186.38x = 129,341,982,483.30 - Step 5: Solve for x
x = 129,341,982,483.30/416,186.38 - Step 6: Final answer
x = 310,778.99
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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.