Home / 231,815.20-347,722.80-113,504.80

Finding the Fourth Proportional to 231,815.20, 347,722.80 and 113,504.80

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Solution

The fourth proportional to 231,815.20, 347,722.80 and 113,504.80 is: 170,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,815.20 : 347,722.80 = 113,504.80 : x
  2. Step 2: Convert to fraction form
    231,815.20/347,722.80 = 113,504.80/x
  3. Step 3: Cross multiply
    231,815.20x = 347,722.80 × 113,504.80
  4. Step 4: Simplify right side
    231,815.20x = 39,468,206,869.44
  5. Step 5: Solve for x
    x = 39,468,206,869.44/231,815.20
  6. Step 6: Final answer
    x = 170,257.20

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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.