Home / 263,822.45-394,787.72-228,405.59

Finding the Fourth Proportional to 263,822.45, 394,787.72 and 228,405.59

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Solution

The fourth proportional to 263,822.45, 394,787.72 and 228,405.59 is: 341,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,822.45 : 394,787.72 = 228,405.59 : x
  2. Step 2: Convert to fraction form
    263,822.45/394,787.72 = 228,405.59/x
  3. Step 3: Cross multiply
    263,822.45x = 394,787.72 × 228,405.59
  4. Step 4: Simplify right side
    263,822.45x = 90,171,718,995.39
  5. Step 5: Solve for x
    x = 90,171,718,995.39/263,822.45
  6. Step 6: Final answer
    x = 341,789.40

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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.