Home / 419,626.20-629,501.86-149,733.31

Finding the Fourth Proportional to 419,626.20, 629,501.86 and 149,733.31

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Solution

The fourth proportional to 419,626.20, 629,501.86 and 149,733.31 is: 224,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,626.20 : 629,501.86 = 149,733.31 : x
  2. Step 2: Convert to fraction form
    419,626.20/629,501.86 = 149,733.31/x
  3. Step 3: Cross multiply
    419,626.20x = 629,501.86 × 149,733.31
  4. Step 4: Simplify right side
    419,626.20x = 94,257,396,942.68
  5. Step 5: Solve for x
    x = 94,257,396,942.68/419,626.20
  6. Step 6: Final answer
    x = 224,622.29

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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.