Home / 445,675.20-667,929.60-179,217.60

Finding the Fourth Proportional to 445,675.20, 667,929.60 and 179,217.60

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Solution

The fourth proportional to 445,675.20, 667,929.60 and 179,217.60 is: 268,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,675.20 : 667,929.60 = 179,217.60 : x
  2. Step 2: Convert to fraction form
    445,675.20/667,929.60 = 179,217.60/x
  3. Step 3: Cross multiply
    445,675.20x = 667,929.60 × 179,217.60
  4. Step 4: Simplify right side
    445,675.20x = 119,704,739,880.96
  5. Step 5: Solve for x
    x = 119,704,739,880.96/445,675.20
  6. Step 6: Final answer
    x = 268,591.88

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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.