Home / 297,720.20-446,580.30-274,910.60

Finding the Fourth Proportional to 297,720.20, 446,580.30 and 274,910.60

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Solution

The fourth proportional to 297,720.20, 446,580.30 and 274,910.60 is: 412,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,720.20 : 446,580.30 = 274,910.60 : x
  2. Step 2: Convert to fraction form
    297,720.20/446,580.30 = 274,910.60/x
  3. Step 3: Cross multiply
    297,720.20x = 446,580.30 × 274,910.60
  4. Step 4: Simplify right side
    297,720.20x = 122,769,658,221.18
  5. Step 5: Solve for x
    x = 122,769,658,221.18/297,720.20
  6. Step 6: Final answer
    x = 412,365.90

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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.