Home / 331,178.12-496,850.22-131,432.54

Finding the Fourth Proportional to 331,178.12, 496,850.22 and 131,432.54

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Solution

The fourth proportional to 331,178.12, 496,850.22 and 131,432.54 is: 197,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,178.12 : 496,850.22 = 131,432.54 : x
  2. Step 2: Convert to fraction form
    331,178.12/496,850.22 = 131,432.54/x
  3. Step 3: Cross multiply
    331,178.12x = 496,850.22 × 131,432.54
  4. Step 4: Simplify right side
    331,178.12x = 65,302,286,414.16
  5. Step 5: Solve for x
    x = 65,302,286,414.16/331,178.12
  6. Step 6: Final answer
    x = 197,181.77

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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.