Home / 381,135.73-571,586.55-263,562.61

Finding the Fourth Proportional to 381,135.73, 571,586.55 and 263,562.61

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Solution

The fourth proportional to 381,135.73, 571,586.55 and 263,562.61 is: 395,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,135.73 : 571,586.55 = 263,562.61 : x
  2. Step 2: Convert to fraction form
    381,135.73/571,586.55 = 263,562.61/x
  3. Step 3: Cross multiply
    381,135.73x = 571,586.55 × 263,562.61
  4. Step 4: Simplify right side
    381,135.73x = 150,648,842,958.90
  5. Step 5: Solve for x
    x = 150,648,842,958.90/381,135.73
  6. Step 6: Final answer
    x = 395,262.98

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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.