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Finding the Fourth Proportional to 444,776.58, 667,166.22 and 107,815.86

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Solution

The fourth proportional to 444,776.58, 667,166.22 and 107,815.86 is: 161,724.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,776.58 : 667,166.22 = 107,815.86 : x
  2. Step 2: Convert to fraction form
    444,776.58/667,166.22 = 107,815.86/x
  3. Step 3: Cross multiply
    444,776.58x = 667,166.22 × 107,815.86
  4. Step 4: Simplify right side
    444,776.58x = 71,931,099,772.25
  5. Step 5: Solve for x
    x = 71,931,099,772.25/444,776.58
  6. Step 6: Final answer
    x = 161,724.12

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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.