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Finding the Fourth Proportional to 444,921.68, 667,376.96 and 107,965.13

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Solution

The fourth proportional to 444,921.68, 667,376.96 and 107,965.13 is: 161,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,921.68 : 667,376.96 = 107,965.13 : x
  2. Step 2: Convert to fraction form
    444,921.68/667,376.96 = 107,965.13/x
  3. Step 3: Cross multiply
    444,921.68x = 667,376.96 × 107,965.13
  4. Step 4: Simplify right side
    444,921.68x = 72,053,436,368.69
  5. Step 5: Solve for x
    x = 72,053,436,368.69/444,921.68
  6. Step 6: Final answer
    x = 161,946.34

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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.