Home / 439,204.05-658,817.01-123,658.83

Finding the Fourth Proportional to 439,204.05, 658,817.01 and 123,658.83

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Solution

The fourth proportional to 439,204.05, 658,817.01 and 123,658.83 is: 185,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,204.05 : 658,817.01 = 123,658.83 : x
  2. Step 2: Convert to fraction form
    439,204.05/658,817.01 = 123,658.83/x
  3. Step 3: Cross multiply
    439,204.05x = 658,817.01 × 123,658.83
  4. Step 4: Simplify right side
    439,204.05x = 81,468,540,640.70
  5. Step 5: Solve for x
    x = 81,468,540,640.70/439,204.05
  6. Step 6: Final answer
    x = 185,491.32

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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.