Finding the Fourth Proportional to 274,608.38, 378,764.12 and 252,020.26
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Solution
The fourth proportional to 274,608.38, 378,764.12 and 252,020.26 is: 347,608.59
Step by Step Solution
- Step 1: Write the proportion equation
274,608.38 : 378,764.12 = 252,020.26 : x - Step 2: Convert to fraction form
274,608.38/378,764.12 = 252,020.26/x - Step 3: Cross multiply
274,608.38x = 378,764.12 × 252,020.26 - Step 4: Simplify right side
274,608.38x = 95,456,232,001.07 - Step 5: Solve for x
x = 95,456,232,001.07/274,608.38 - Step 6: Final answer
x = 347,608.59
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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.