Finding the Fourth Proportional to 288,648.08, 398,303.82 and 159,565.75
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Solution
The fourth proportional to 288,648.08, 398,303.82 and 159,565.75 is: 220,183.86
Step by Step Solution
- Step 1: Write the proportion equation
288,648.08 : 398,303.82 = 159,565.75 : x - Step 2: Convert to fraction form
288,648.08/398,303.82 = 159,565.75/x - Step 3: Cross multiply
288,648.08x = 398,303.82 × 159,565.75 - Step 4: Simplify right side
288,648.08x = 63,555,647,964.10 - Step 5: Solve for x
x = 63,555,647,964.10/288,648.08 - Step 6: Final answer
x = 220,183.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.