Finding the Fourth Proportional to 244,278.80, 366,418.20 and 86,523.20
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Solution
The fourth proportional to 244,278.80, 366,418.20 and 86,523.20 is: 129,784.80
Step by Step Solution
- Step 1: Write the proportion equation
244,278.80 : 366,418.20 = 86,523.20 : x - Step 2: Convert to fraction form
244,278.80/366,418.20 = 86,523.20/x - Step 3: Cross multiply
244,278.80x = 366,418.20 × 86,523.20 - Step 4: Simplify right side
244,278.80x = 31,703,675,202.24 - Step 5: Solve for x
x = 31,703,675,202.24/244,278.80 - Step 6: Final answer
x = 129,784.80
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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.