Finding the Fourth Proportional to 471,007.24, 649,983.84 and 256,142.68
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Solution
The fourth proportional to 471,007.24, 649,983.84 and 256,142.68 is: 353,473.55
Step by Step Solution
- Step 1: Write the proportion equation
471,007.24 : 649,983.84 = 256,142.68 : x - Step 2: Convert to fraction form
471,007.24/649,983.84 = 256,142.68/x - Step 3: Cross multiply
471,007.24x = 649,983.84 × 256,142.68 - Step 4: Simplify right side
471,007.24x = 166,488,602,734.29 - Step 5: Solve for x
x = 166,488,602,734.29/471,007.24 - Step 6: Final answer
x = 353,473.55
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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.