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Finding the Fourth Proportional to 444,686.49, 667,093.73 and 145,092.87

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Solution

The fourth proportional to 444,686.49, 667,093.73 and 145,092.87 is: 217,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,686.49 : 667,093.73 = 145,092.87 : x
  2. Step 2: Convert to fraction form
    444,686.49/667,093.73 = 145,092.87/x
  3. Step 3: Cross multiply
    444,686.49x = 667,093.73 × 145,092.87
  4. Step 4: Simplify right side
    444,686.49x = 96,790,543,119.24
  5. Step 5: Solve for x
    x = 96,790,543,119.24/444,686.49
  6. Step 6: Final answer
    x = 217,660.18

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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.