Home / 355,861.11-534,002.13-131,377.71

Finding the Fourth Proportional to 355,861.11, 534,002.13 and 131,377.71

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Solution

The fourth proportional to 355,861.11, 534,002.13 and 131,377.71 is: 197,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,861.11 : 534,002.13 = 131,377.71 : x
  2. Step 2: Convert to fraction form
    355,861.11/534,002.13 = 131,377.71/x
  3. Step 3: Cross multiply
    355,861.11x = 534,002.13 × 131,377.71
  4. Step 4: Simplify right side
    355,861.11x = 70,155,976,974.52
  5. Step 5: Solve for x
    x = 70,155,976,974.52/355,861.11
  6. Step 6: Final answer
    x = 197,144.27

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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.