Finding the Fourth Proportional to 244,376.80, 366,565.20 and 86,621.20
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Solution
The fourth proportional to 244,376.80, 366,565.20 and 86,621.20 is: 129,931.80
Step by Step Solution
- Step 1: Write the proportion equation
244,376.80 : 366,565.20 = 86,621.20 : x - Step 2: Convert to fraction form
244,376.80/366,565.20 = 86,621.20/x - Step 3: Cross multiply
244,376.80x = 366,565.20 × 86,621.20 - Step 4: Simplify right side
244,376.80x = 31,752,317,502.24 - Step 5: Solve for x
x = 31,752,317,502.24/244,376.80 - Step 6: Final answer
x = 129,931.80
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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.