Home / 266,961.44-400,540.60-140,596.56

Finding the Fourth Proportional to 266,961.44, 400,540.60 and 140,596.56

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Solution

The fourth proportional to 266,961.44, 400,540.60 and 140,596.56 is: 210,946.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,961.44 : 400,540.60 = 140,596.56 : x
  2. Step 2: Convert to fraction form
    266,961.44/400,540.60 = 140,596.56/x
  3. Step 3: Cross multiply
    266,961.44x = 400,540.60 × 140,596.56
  4. Step 4: Simplify right side
    266,961.44x = 56,314,630,500.34
  5. Step 5: Solve for x
    x = 56,314,630,500.34/266,961.44
  6. Step 6: Final answer
    x = 210,946.68

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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.