Home / 424,134.27-636,408.95-199,517.37

Finding the Fourth Proportional to 424,134.27, 636,408.95 and 199,517.37

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Solution

The fourth proportional to 424,134.27, 636,408.95 and 199,517.37 is: 299,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,134.27 : 636,408.95 = 199,517.37 : x
  2. Step 2: Convert to fraction form
    424,134.27/636,408.95 = 199,517.37/x
  3. Step 3: Cross multiply
    424,134.27x = 636,408.95 × 199,517.37
  4. Step 4: Simplify right side
    424,134.27x = 126,974,638,950.88
  5. Step 5: Solve for x
    x = 126,974,638,950.88/424,134.27
  6. Step 6: Final answer
    x = 299,373.68

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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.