Finding the Fourth Proportional to 244,286.80, 366,430.20 and 86,531.20
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Solution
The fourth proportional to 244,286.80, 366,430.20 and 86,531.20 is: 129,796.80
Step by Step Solution
- Step 1: Write the proportion equation
244,286.80 : 366,430.20 = 86,531.20 : x - Step 2: Convert to fraction form
244,286.80/366,430.20 = 86,531.20/x - Step 3: Cross multiply
244,286.80x = 366,430.20 × 86,531.20 - Step 4: Simplify right side
244,286.80x = 31,707,644,922.24 - Step 5: Solve for x
x = 31,707,644,922.24/244,286.80 - Step 6: Final answer
x = 129,796.80
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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.