Home / 263,823.46-394,789.22-228,406.59

Finding the Fourth Proportional to 263,823.46, 394,789.22 and 228,406.59

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Solution

The fourth proportional to 263,823.46, 394,789.22 and 228,406.59 is: 341,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,823.46 : 394,789.22 = 228,406.59 : x
  2. Step 2: Convert to fraction form
    263,823.46/394,789.22 = 228,406.59/x
  3. Step 3: Cross multiply
    263,823.46x = 394,789.22 × 228,406.59
  4. Step 4: Simplify right side
    263,823.46x = 90,172,456,392.98
  5. Step 5: Solve for x
    x = 90,172,456,392.98/263,823.46
  6. Step 6: Final answer
    x = 341,790.90

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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.