Home / 266,708.40-400,062.60-108,833.20

Finding the Fourth Proportional to 266,708.40, 400,062.60 and 108,833.20

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Solution

The fourth proportional to 266,708.40, 400,062.60 and 108,833.20 is: 163,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,708.40 : 400,062.60 = 108,833.20 : x
  2. Step 2: Convert to fraction form
    266,708.40/400,062.60 = 108,833.20/x
  3. Step 3: Cross multiply
    266,708.40x = 400,062.60 × 108,833.20
  4. Step 4: Simplify right side
    266,708.40x = 43,540,092,958.32
  5. Step 5: Solve for x
    x = 43,540,092,958.32/266,708.40
  6. Step 6: Final answer
    x = 163,249.80

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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.