Home / 230,209.38-345,281.27-72,433.73

Finding the Fourth Proportional to 230,209.38, 345,281.27 and 72,433.73

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Solution

The fourth proportional to 230,209.38, 345,281.27 and 72,433.73 is: 108,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,209.38 : 345,281.27 = 72,433.73 : x
  2. Step 2: Convert to fraction form
    230,209.38/345,281.27 = 72,433.73/x
  3. Step 3: Cross multiply
    230,209.38x = 345,281.27 × 72,433.73
  4. Step 4: Simplify right side
    230,209.38x = 25,010,010,786.27
  5. Step 5: Solve for x
    x = 25,010,010,786.27/230,209.38
  6. Step 6: Final answer
    x = 108,640.28

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1.5x scale

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.