Home / 419,962.46-628,845.60-230,027.72

Finding the Fourth Proportional to 419,962.46, 628,845.60 and 230,027.72

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Solution

The fourth proportional to 419,962.46, 628,845.60 and 230,027.72 is: 344,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,962.46 : 628,845.60 = 230,027.72 : x
  2. Step 2: Convert to fraction form
    419,962.46/628,845.60 = 230,027.72/x
  3. Step 3: Cross multiply
    419,962.46x = 628,845.60 × 230,027.72
  4. Step 4: Simplify right side
    419,962.46x = 144,651,919,600.03
  5. Step 5: Solve for x
    x = 144,651,919,600.03/419,962.46
  6. Step 6: Final answer
    x = 344,440.12

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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.