Home / 231,395.34-347,414.25-119,155.80

Finding the Fourth Proportional to 231,395.34, 347,414.25 and 119,155.80

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Solution

The fourth proportional to 231,395.34, 347,414.25 and 119,155.80 is: 178,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,395.34 : 347,414.25 = 119,155.80 : x
  2. Step 2: Convert to fraction form
    231,395.34/347,414.25 = 119,155.80/x
  3. Step 3: Cross multiply
    231,395.34x = 347,414.25 × 119,155.80
  4. Step 4: Simplify right side
    231,395.34x = 41,396,422,890.15
  5. Step 5: Solve for x
    x = 41,396,422,890.15/231,395.34
  6. Step 6: Final answer
    x = 178,899.12

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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.