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Finding the Fourth Proportional to 444,867.19, 667,162.78 and 160,520.74

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Solution

The fourth proportional to 444,867.19, 667,162.78 and 160,520.74 is: 240,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,867.19 : 667,162.78 = 160,520.74 : x
  2. Step 2: Convert to fraction form
    444,867.19/667,162.78 = 160,520.74/x
  3. Step 3: Cross multiply
    444,867.19x = 667,162.78 × 160,520.74
  4. Step 4: Simplify right side
    444,867.19x = 107,093,461,076.85
  5. Step 5: Solve for x
    x = 107,093,461,076.85/444,867.19
  6. Step 6: Final answer
    x = 240,731.31

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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.