Finding the Fourth Proportional to 244,406.80, 366,610.20 and 86,651.20
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Solution
The fourth proportional to 244,406.80, 366,610.20 and 86,651.20 is: 129,976.80
Step by Step Solution
- Step 1: Write the proportion equation
244,406.80 : 366,610.20 = 86,651.20 : x - Step 2: Convert to fraction form
244,406.80/366,610.20 = 86,651.20/x - Step 3: Cross multiply
244,406.80x = 366,610.20 × 86,651.20 - Step 4: Simplify right side
244,406.80x = 31,767,213,762.24 - Step 5: Solve for x
x = 31,767,213,762.24/244,406.80 - Step 6: Final answer
x = 129,976.80
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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.