Home / 381,134.73-571,585.05-263,561.61

Finding the Fourth Proportional to 381,134.73, 571,585.05 and 263,561.61

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Solution

The fourth proportional to 381,134.73, 571,585.05 and 263,561.61 is: 395,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,134.73 : 571,585.05 = 263,561.61 : x
  2. Step 2: Convert to fraction form
    381,134.73/571,585.05 = 263,561.61/x
  3. Step 3: Cross multiply
    381,134.73x = 571,585.05 × 263,561.61
  4. Step 4: Simplify right side
    381,134.73x = 150,647,876,029.93
  5. Step 5: Solve for x
    x = 150,647,876,029.93/381,134.73
  6. Step 6: Final answer
    x = 395,261.48

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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.