Home / 330,778.27-496,133.38-106,299.73

Finding the Fourth Proportional to 330,778.27, 496,133.38 and 106,299.73

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Solution

The fourth proportional to 330,778.27, 496,133.38 and 106,299.73 is: 159,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,778.27 : 496,133.38 = 106,299.73 : x
  2. Step 2: Convert to fraction form
    330,778.27/496,133.38 = 106,299.73/x
  3. Step 3: Cross multiply
    330,778.27x = 496,133.38 × 106,299.73
  4. Step 4: Simplify right side
    330,778.27x = 52,738,844,337.99
  5. Step 5: Solve for x
    x = 52,738,844,337.99/330,778.27
  6. Step 6: Final answer
    x = 159,438.66

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1.5x scale

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.