Home / 331,198.62-496,457.13-131,660.39

Finding the Fourth Proportional to 331,198.62, 496,457.13 and 131,660.39

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Solution

The fourth proportional to 331,198.62, 496,457.13 and 131,660.39 is: 197,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,198.62 : 496,457.13 = 131,660.39 : x
  2. Step 2: Convert to fraction form
    331,198.62/496,457.13 = 131,660.39/x
  3. Step 3: Cross multiply
    331,198.62x = 496,457.13 × 131,660.39
  4. Step 4: Simplify right side
    331,198.62x = 65,363,737,185.49
  5. Step 5: Solve for x
    x = 65,363,737,185.49/331,198.62
  6. Step 6: Final answer
    x = 197,355.10

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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.