Home / 445,217.95-667,817.56-108,260.35

Finding the Fourth Proportional to 445,217.95, 667,817.56 and 108,260.35

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Solution

The fourth proportional to 445,217.95, 667,817.56 and 108,260.35 is: 162,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,217.95 : 667,817.56 = 108,260.35 : x
  2. Step 2: Convert to fraction form
    445,217.95/667,817.56 = 108,260.35/x
  3. Step 3: Cross multiply
    445,217.95x = 667,817.56 × 108,260.35
  4. Step 4: Simplify right side
    445,217.95x = 72,298,161,247.53
  5. Step 5: Solve for x
    x = 72,298,161,247.53/445,217.95
  6. Step 6: Final answer
    x = 162,388.24

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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.