Home / 424,329.03-636,474.41-124,819.38

Finding the Fourth Proportional to 424,329.03, 636,474.41 and 124,819.38

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Solution

The fourth proportional to 424,329.03, 636,474.41 and 124,819.38 is: 187,223.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,329.03 : 636,474.41 = 124,819.38 : x
  2. Step 2: Convert to fraction form
    424,329.03/636,474.41 = 124,819.38/x
  3. Step 3: Cross multiply
    424,329.03x = 636,474.41 × 124,819.38
  4. Step 4: Simplify right side
    424,329.03x = 79,444,341,086.04
  5. Step 5: Solve for x
    x = 79,444,341,086.04/424,329.03
  6. Step 6: Final answer
    x = 187,223.44

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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.