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Finding the Fourth Proportional to 266,729.72, 368,220.86 and 206,163.49

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Solution

The fourth proportional to 266,729.72, 368,220.86 and 206,163.49 is: 284,609.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,729.72 : 368,220.86 = 206,163.49 : x
  2. Step 2: Convert to fraction form
    266,729.72/368,220.86 = 206,163.49/x
  3. Step 3: Cross multiply
    266,729.72x = 368,220.86 × 206,163.49
  4. Step 4: Simplify right side
    266,729.72x = 75,913,694,716.48
  5. Step 5: Solve for x
    x = 75,913,694,716.48/266,729.72
  6. Step 6: Final answer
    x = 284,609.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.