Finding the Fourth Proportional to 396,565.20, 594,847.80 and 239,101.20
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Solution
The fourth proportional to 396,565.20, 594,847.80 and 239,101.20 is: 358,651.80
Step by Step Solution
- Step 1: Write the proportion equation
396,565.20 : 594,847.80 = 239,101.20 : x - Step 2: Convert to fraction form
396,565.20/594,847.80 = 239,101.20/x - Step 3: Cross multiply
396,565.20x = 594,847.80 × 239,101.20 - Step 4: Simplify right side
396,565.20x = 142,228,822,797.36 - Step 5: Solve for x
x = 142,228,822,797.36/396,565.20 - Step 6: Final answer
x = 358,651.80
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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.