Finding the Fourth Proportional to 471,011.49, 649,981.97 and 267,081.03
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Solution
The fourth proportional to 471,011.49, 649,981.97 and 267,081.03 is: 368,563.95
Step by Step Solution
- Step 1: Write the proportion equation
471,011.49 : 649,981.97 = 267,081.03 : x - Step 2: Convert to fraction form
471,011.49/649,981.97 = 267,081.03/x - Step 3: Cross multiply
471,011.49x = 649,981.97 × 267,081.03 - Step 4: Simplify right side
471,011.49x = 173,597,853,695.18 - Step 5: Solve for x
x = 173,597,853,695.18/471,011.49 - Step 6: Final answer
x = 368,563.95
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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.