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Finding the Fourth Proportional to 444,994.20, 667,564.10 and 145,387.80

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Solution

The fourth proportional to 444,994.20, 667,564.10 and 145,387.80 is: 218,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,994.20 : 667,564.10 = 145,387.80 : x
  2. Step 2: Convert to fraction form
    444,994.20/667,564.10 = 145,387.80/x
  3. Step 3: Cross multiply
    444,994.20x = 667,564.10 × 145,387.80
  4. Step 4: Simplify right side
    444,994.20x = 97,055,675,857.98
  5. Step 5: Solve for x
    x = 97,055,675,857.98/444,994.20
  6. Step 6: Final answer
    x = 218,105.49

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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.