Finding the Fourth Proportional to 416,680.87, 625,021.62 and 101,138.08
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Solution
The fourth proportional to 416,680.87, 625,021.62 and 101,138.08 is: 151,707.20
Step by Step Solution
- Step 1: Write the proportion equation
416,680.87 : 625,021.62 = 101,138.08 : x - Step 2: Convert to fraction form
416,680.87/625,021.62 = 101,138.08/x - Step 3: Cross multiply
416,680.87x = 625,021.62 × 101,138.08 - Step 4: Simplify right side
416,680.87x = 63,213,486,605.29 - Step 5: Solve for x
x = 63,213,486,605.29/416,680.87 - Step 6: Final answer
x = 151,707.20
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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.