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Finding the Fourth Proportional to 539,559.96, 809,339.40 and 160,479.18

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Solution

The fourth proportional to 539,559.96, 809,339.40 and 160,479.18 is: 240,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,559.96 : 809,339.40 = 160,479.18 : x
  2. Step 2: Convert to fraction form
    539,559.96/809,339.40 = 160,479.18/x
  3. Step 3: Cross multiply
    539,559.96x = 809,339.40 × 160,479.18
  4. Step 4: Simplify right side
    539,559.96x = 129,882,123,253.69
  5. Step 5: Solve for x
    x = 129,882,123,253.69/539,559.96
  6. Step 6: Final answer
    x = 240,718.61

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Similar ratio
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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.