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Finding the Fourth Proportional to 335,999.20, 504,229.20 and 149,144.80

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Solution

The fourth proportional to 335,999.20, 504,229.20 and 149,144.80 is: 223,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,999.20 : 504,229.20 = 149,144.80 : x
  2. Step 2: Convert to fraction form
    335,999.20/504,229.20 = 149,144.80/x
  3. Step 3: Cross multiply
    335,999.20x = 504,229.20 × 149,144.80
  4. Step 4: Simplify right side
    335,999.20x = 75,203,163,188.16
  5. Step 5: Solve for x
    x = 75,203,163,188.16/335,999.20
  6. Step 6: Final answer
    x = 223,819.47

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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.