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Finding the Fourth Proportional to 444,818.79, 667,272.84 and 124,971.39

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Solution

The fourth proportional to 444,818.79, 667,272.84 and 124,971.39 is: 187,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,818.79 : 667,272.84 = 124,971.39 : x
  2. Step 2: Convert to fraction form
    444,818.79/667,272.84 = 124,971.39/x
  3. Step 3: Cross multiply
    444,818.79x = 667,272.84 × 124,971.39
  4. Step 4: Simplify right side
    444,818.79x = 83,390,014,324.05
  5. Step 5: Solve for x
    x = 83,390,014,324.05/444,818.79
  6. Step 6: Final answer
    x = 187,469.63

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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.