Home / 263,462.30-394,027.05-221,471.90

Finding the Fourth Proportional to 263,462.30, 394,027.05 and 221,471.90

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Solution

The fourth proportional to 263,462.30, 394,027.05 and 221,471.90 is: 331,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,462.30 : 394,027.05 = 221,471.90 : x
  2. Step 2: Convert to fraction form
    263,462.30/394,027.05 = 221,471.90/x
  3. Step 3: Cross multiply
    263,462.30x = 394,027.05 × 221,471.90
  4. Step 4: Simplify right side
    263,462.30x = 87,265,919,414.90
  5. Step 5: Solve for x
    x = 87,265,919,414.90/263,462.30
  6. Step 6: Final answer
    x = 331,227.35

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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.