Finding the Fourth Proportional to 416,691.20, 575,022.84 and 235,421.84
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Solution
The fourth proportional to 416,691.20, 575,022.84 and 235,421.84 is: 324,875.92
Step by Step Solution
- Step 1: Write the proportion equation
416,691.20 : 575,022.84 = 235,421.84 : x - Step 2: Convert to fraction form
416,691.20/575,022.84 = 235,421.84/x - Step 3: Cross multiply
416,691.20x = 575,022.84 × 235,421.84 - Step 4: Simplify right side
416,691.20x = 135,372,935,034.83 - Step 5: Solve for x
x = 135,372,935,034.83/416,691.20 - Step 6: Final answer
x = 324,875.92
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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.