Home / 266,375.40-399,517.02-100,164.84

Finding the Fourth Proportional to 266,375.40, 399,517.02 and 100,164.84

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Solution

The fourth proportional to 266,375.40, 399,517.02 and 100,164.84 is: 150,229.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,375.40 : 399,517.02 = 100,164.84 : x
  2. Step 2: Convert to fraction form
    266,375.40/399,517.02 = 100,164.84/x
  3. Step 3: Cross multiply
    266,375.40x = 399,517.02 × 100,164.84
  4. Step 4: Simplify right side
    266,375.40x = 40,017,558,385.58
  5. Step 5: Solve for x
    x = 40,017,558,385.58/266,375.40
  6. Step 6: Final answer
    x = 150,229.93

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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.