Home / 424,155.20-636,227.19-104,309.82

Finding the Fourth Proportional to 424,155.20, 636,227.19 and 104,309.82

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Solution

The fourth proportional to 424,155.20, 636,227.19 and 104,309.82 is: 156,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,155.20 : 636,227.19 = 104,309.82 : x
  2. Step 2: Convert to fraction form
    424,155.20/636,227.19 = 104,309.82/x
  3. Step 3: Cross multiply
    424,155.20x = 636,227.19 × 104,309.82
  4. Step 4: Simplify right side
    424,155.20x = 66,364,743,668.01
  5. Step 5: Solve for x
    x = 66,364,743,668.01/424,155.20
  6. Step 6: Final answer
    x = 156,463.35

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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.