Finding the Fourth Proportional to 244,292.80, 366,439.20 and 86,537.20
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Solution
The fourth proportional to 244,292.80, 366,439.20 and 86,537.20 is: 129,805.80
Step by Step Solution
- Step 1: Write the proportion equation
244,292.80 : 366,439.20 = 86,537.20 : x - Step 2: Convert to fraction form
244,292.80/366,439.20 = 86,537.20/x - Step 3: Cross multiply
244,292.80x = 366,439.20 × 86,537.20 - Step 4: Simplify right side
244,292.80x = 31,710,622,338.24 - Step 5: Solve for x
x = 31,710,622,338.24/244,292.80 - Step 6: Final answer
x = 129,805.80
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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.