Home / 324,306.46-486,037.75-131,956.73

Finding the Fourth Proportional to 324,306.46, 486,037.75 and 131,956.73

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Solution

The fourth proportional to 324,306.46, 486,037.75 and 131,956.73 is: 197,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,306.46 : 486,037.75 = 131,956.73 : x
  2. Step 2: Convert to fraction form
    324,306.46/486,037.75 = 131,956.73/x
  3. Step 3: Cross multiply
    324,306.46x = 486,037.75 × 131,956.73
  4. Step 4: Simplify right side
    324,306.46x = 64,135,951,816.67
  5. Step 5: Solve for x
    x = 64,135,951,816.67/324,306.46
  6. Step 6: Final answer
    x = 197,763.41

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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.