Home / 269,336.20-404,004.30-129,022.60

Finding the Fourth Proportional to 269,336.20, 404,004.30 and 129,022.60

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Solution

The fourth proportional to 269,336.20, 404,004.30 and 129,022.60 is: 193,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,336.20 : 404,004.30 = 129,022.60 : x
  2. Step 2: Convert to fraction form
    269,336.20/404,004.30 = 129,022.60/x
  3. Step 3: Cross multiply
    269,336.20x = 404,004.30 × 129,022.60
  4. Step 4: Simplify right side
    269,336.20x = 52,125,685,197.18
  5. Step 5: Solve for x
    x = 52,125,685,197.18/269,336.20
  6. Step 6: Final answer
    x = 193,533.90

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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.