Home / 263,991.20-396,324.72-226,789.28

Finding the Fourth Proportional to 263,991.20, 396,324.72 and 226,789.28

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Solution

The fourth proportional to 263,991.20, 396,324.72 and 226,789.28 is: 340,474.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,991.20 : 396,324.72 = 226,789.28 : x
  2. Step 2: Convert to fraction form
    263,991.20/396,324.72 = 226,789.28/x
  3. Step 3: Cross multiply
    263,991.20x = 396,324.72 × 226,789.28
  4. Step 4: Simplify right side
    263,991.20x = 89,882,197,895.00
  5. Step 5: Solve for x
    x = 89,882,197,895.00/263,991.20
  6. Step 6: Final answer
    x = 340,474.22

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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.