Home / 331,213.45-496,893.48-120,850.78

Finding the Fourth Proportional to 331,213.45, 496,893.48 and 120,850.78

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Solution

The fourth proportional to 331,213.45, 496,893.48 and 120,850.78 is: 181,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,213.45 : 496,893.48 = 120,850.78 : x
  2. Step 2: Convert to fraction form
    331,213.45/496,893.48 = 120,850.78/x
  3. Step 3: Cross multiply
    331,213.45x = 496,893.48 × 120,850.78
  4. Step 4: Simplify right side
    331,213.45x = 60,049,964,634.91
  5. Step 5: Solve for x
    x = 60,049,964,634.91/331,213.45
  6. Step 6: Final answer
    x = 181,302.92

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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.