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Finding the Fourth Proportional to 444,775, 667,231.62 and 149,356.12

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Solution

The fourth proportional to 444,775, 667,231.62 and 149,356.12 is: 224,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,775 : 667,231.62 = 149,356.12 : x
  2. Step 2: Convert to fraction form
    444,775/667,231.62 = 149,356.12/x
  3. Step 3: Cross multiply
    444,775x = 667,231.62 × 149,356.12
  4. Step 4: Simplify right side
    444,775x = 99,655,125,904.51
  5. Step 5: Solve for x
    x = 99,655,125,904.51/444,775
  6. Step 6: Final answer
    x = 224,057.39

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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.