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Finding the Fourth Proportional to 424,033.42, 636,046.89 and 108,489.82

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Solution

The fourth proportional to 424,033.42, 636,046.89 and 108,489.82 is: 162,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,033.42 : 636,046.89 = 108,489.82 : x
  2. Step 2: Convert to fraction form
    424,033.42/636,046.89 = 108,489.82/x
  3. Step 3: Cross multiply
    424,033.42x = 636,046.89 × 108,489.82
  4. Step 4: Simplify right side
    424,033.42x = 69,004,612,607.66
  5. Step 5: Solve for x
    x = 69,004,612,607.66/424,033.42
  6. Step 6: Final answer
    x = 162,733.90

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1.5x scale

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.