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Finding the Fourth Proportional to 444,612.06, 667,042.92 and 178,559.28

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Solution

The fourth proportional to 444,612.06, 667,042.92 and 178,559.28 is: 267,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,612.06 : 667,042.92 = 178,559.28 : x
  2. Step 2: Convert to fraction form
    444,612.06/667,042.92 = 178,559.28/x
  3. Step 3: Cross multiply
    444,612.06x = 667,042.92 × 178,559.28
  4. Step 4: Simplify right side
    444,612.06x = 119,106,703,524.30
  5. Step 5: Solve for x
    x = 119,106,703,524.30/444,612.06
  6. Step 6: Final answer
    x = 267,889.05

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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.