Home / 488,134.20-731,982.60-221,757.60

Finding the Fourth Proportional to 488,134.20, 731,982.60 and 221,757.60

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Solution

The fourth proportional to 488,134.20, 731,982.60 and 221,757.60 is: 332,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,134.20 : 731,982.60 = 221,757.60 : x
  2. Step 2: Convert to fraction form
    488,134.20/731,982.60 = 221,757.60/x
  3. Step 3: Cross multiply
    488,134.20x = 731,982.60 × 221,757.60
  4. Step 4: Simplify right side
    488,134.20x = 162,322,704,617.76
  5. Step 5: Solve for x
    x = 162,322,704,617.76/488,134.20
  6. Step 6: Final answer
    x = 332,537.05

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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.