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Finding the Fourth Proportional to 244,698.21, 366,986.57 and 67,196.43

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Solution

The fourth proportional to 244,698.21, 366,986.57 and 67,196.43 is: 100,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,698.21 : 366,986.57 = 67,196.43 : x
  2. Step 2: Convert to fraction form
    244,698.21/366,986.57 = 67,196.43/x
  3. Step 3: Cross multiply
    244,698.21x = 366,986.57 × 67,196.43
  4. Step 4: Simplify right side
    244,698.21x = 24,660,187,025.96
  5. Step 5: Solve for x
    x = 24,660,187,025.96/244,698.21
  6. Step 6: Final answer
    x = 100,777.96

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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.