Finding the Fourth Proportional to 416,135.13, 574,266.48 and 225,148.52
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Solution
The fourth proportional to 416,135.13, 574,266.48 and 225,148.52 is: 310,704.95
Step by Step Solution
- Step 1: Write the proportion equation
416,135.13 : 574,266.48 = 225,148.52 : x - Step 2: Convert to fraction form
416,135.13/574,266.48 = 225,148.52/x - Step 3: Cross multiply
416,135.13x = 574,266.48 × 225,148.52 - Step 4: Simplify right side
416,135.13x = 129,295,245,585.04 - Step 5: Solve for x
x = 129,295,245,585.04/416,135.13 - Step 6: Final answer
x = 310,704.95
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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.