Home / 331,240.72-496,791.42-106,621.24

Finding the Fourth Proportional to 331,240.72, 496,791.42 and 106,621.24

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Solution

The fourth proportional to 331,240.72, 496,791.42 and 106,621.24 is: 159,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,240.72 : 496,791.42 = 106,621.24 : x
  2. Step 2: Convert to fraction form
    331,240.72/496,791.42 = 106,621.24/x
  3. Step 3: Cross multiply
    331,240.72x = 496,791.42 × 106,621.24
  4. Step 4: Simplify right side
    331,240.72x = 52,968,517,221.76
  5. Step 5: Solve for x
    x = 52,968,517,221.76/331,240.72
  6. Step 6: Final answer
    x = 159,909.44

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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.