Home / 266,849.60-400,239.84-100,616

Finding the Fourth Proportional to 266,849.60, 400,239.84 and 100,616

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Solution

The fourth proportional to 266,849.60, 400,239.84 and 100,616 is: 150,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,849.60 : 400,239.84 = 100,616 : x
  2. Step 2: Convert to fraction form
    266,849.60/400,239.84 = 100,616/x
  3. Step 3: Cross multiply
    266,849.60x = 400,239.84 × 100,616
  4. Step 4: Simplify right side
    266,849.60x = 40,270,531,741.44
  5. Step 5: Solve for x
    x = 40,270,531,741.44/266,849.60
  6. Step 6: Final answer
    x = 150,910.97

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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.