Home / 330,910.50-496,529.79-131,226.45

Finding the Fourth Proportional to 330,910.50, 496,529.79 and 131,226.45

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Solution

The fourth proportional to 330,910.50, 496,529.79 and 131,226.45 is: 196,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,910.50 : 496,529.79 = 131,226.45 : x
  2. Step 2: Convert to fraction form
    330,910.50/496,529.79 = 131,226.45/x
  3. Step 3: Cross multiply
    330,910.50x = 496,529.79 × 131,226.45
  4. Step 4: Simplify right side
    330,910.50x = 65,157,841,660.95
  5. Step 5: Solve for x
    x = 65,157,841,660.95/330,910.50
  6. Step 6: Final answer
    x = 196,904.73

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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.