Finding the Fourth Proportional to 397,635.96, 548,752.76 and 227,902.92
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Solution
The fourth proportional to 397,635.96, 548,752.76 and 227,902.92 is: 314,514.70
Step by Step Solution
- Step 1: Write the proportion equation
397,635.96 : 548,752.76 = 227,902.92 : x - Step 2: Convert to fraction form
397,635.96/548,752.76 = 227,902.92/x - Step 3: Cross multiply
397,635.96x = 548,752.76 × 227,902.92 - Step 4: Simplify right side
397,635.96x = 125,062,356,362.06 - Step 5: Solve for x
x = 125,062,356,362.06/397,635.96 - Step 6: Final answer
x = 314,514.70
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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.