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Finding the Fourth Proportional to 444,857.83, 667,286.43 and 178,618.23

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Solution

The fourth proportional to 444,857.83, 667,286.43 and 178,618.23 is: 267,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,857.83 : 667,286.43 = 178,618.23 : x
  2. Step 2: Convert to fraction form
    444,857.83/667,286.43 = 178,618.23/x
  3. Step 3: Cross multiply
    444,857.83x = 667,286.43 × 178,618.23
  4. Step 4: Simplify right side
    444,857.83x = 119,189,521,029.62
  5. Step 5: Solve for x
    x = 119,189,521,029.62/444,857.83
  6. Step 6: Final answer
    x = 267,927.22

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1.5x scale

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.