Home / 342,469.20-472,400.85-226,183.37

Finding the Fourth Proportional to 342,469.20, 472,400.85 and 226,183.37

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Solution

The fourth proportional to 342,469.20, 472,400.85 and 226,183.37 is: 311,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,469.20 : 472,400.85 = 226,183.37 : x
  2. Step 2: Convert to fraction form
    342,469.20/472,400.85 = 226,183.37/x
  3. Step 3: Cross multiply
    342,469.20x = 472,400.85 × 226,183.37
  4. Step 4: Simplify right side
    342,469.20x = 106,849,216,243.86
  5. Step 5: Solve for x
    x = 106,849,216,243.86/342,469.20
  6. Step 6: Final answer
    x = 311,996.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.