Home / 263,546.82-395,320.23-123,403.86

Finding the Fourth Proportional to 263,546.82, 395,320.23 and 123,403.86

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Solution

The fourth proportional to 263,546.82, 395,320.23 and 123,403.86 is: 185,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,546.82 : 395,320.23 = 123,403.86 : x
  2. Step 2: Convert to fraction form
    263,546.82/395,320.23 = 123,403.86/x
  3. Step 3: Cross multiply
    263,546.82x = 395,320.23 × 123,403.86
  4. Step 4: Simplify right side
    263,546.82x = 48,784,042,318.09
  5. Step 5: Solve for x
    x = 48,784,042,318.09/263,546.82
  6. Step 6: Final answer
    x = 185,105.79

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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.