Home / 231,323.20-347,040.24-79,517.68

Finding the Fourth Proportional to 231,323.20, 347,040.24 and 79,517.68

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Solution

The fourth proportional to 231,323.20, 347,040.24 and 79,517.68 is: 119,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,323.20 : 347,040.24 = 79,517.68 : x
  2. Step 2: Convert to fraction form
    231,323.20/347,040.24 = 79,517.68/x
  3. Step 3: Cross multiply
    231,323.20x = 347,040.24 × 79,517.68
  4. Step 4: Simplify right side
    231,323.20x = 27,595,834,751.44
  5. Step 5: Solve for x
    x = 27,595,834,751.44/231,323.20
  6. Step 6: Final answer
    x = 119,295.58

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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.