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Finding the Fourth Proportional to 444,772.95, 667,153.52 and 107,816.56

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Solution

The fourth proportional to 444,772.95, 667,153.52 and 107,816.56 is: 161,723.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,772.95 : 667,153.52 = 107,816.56 : x
  2. Step 2: Convert to fraction form
    444,772.95/667,153.52 = 107,816.56/x
  3. Step 3: Cross multiply
    444,772.95x = 667,153.52 × 107,816.56
  4. Step 4: Simplify right side
    444,772.95x = 71,930,197,518.29
  5. Step 5: Solve for x
    x = 71,930,197,518.29/444,772.95
  6. Step 6: Final answer
    x = 161,723.41

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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.