Home / 381,131.73-571,580.55-263,558.61

Finding the Fourth Proportional to 381,131.73, 571,580.55 and 263,558.61

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Solution

The fourth proportional to 381,131.73, 571,580.55 and 263,558.61 is: 395,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,131.73 : 571,580.55 = 263,558.61 : x
  2. Step 2: Convert to fraction form
    381,131.73/571,580.55 = 263,558.61/x
  3. Step 3: Cross multiply
    381,131.73x = 571,580.55 × 263,558.61
  4. Step 4: Simplify right side
    381,131.73x = 150,644,975,261.04
  5. Step 5: Solve for x
    x = 150,644,975,261.04/381,131.73
  6. Step 6: Final answer
    x = 395,256.98

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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.