Home / 266,537.28-399,607.92-161,331.60

Finding the Fourth Proportional to 266,537.28, 399,607.92 and 161,331.60

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Solution

The fourth proportional to 266,537.28, 399,607.92 and 161,331.60 is: 241,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,537.28 : 399,607.92 = 161,331.60 : x
  2. Step 2: Convert to fraction form
    266,537.28/399,607.92 = 161,331.60/x
  3. Step 3: Cross multiply
    266,537.28x = 399,607.92 × 161,331.60
  4. Step 4: Simplify right side
    266,537.28x = 64,469,385,106.27
  5. Step 5: Solve for x
    x = 64,469,385,106.27/266,537.28
  6. Step 6: Final answer
    x = 241,877.55

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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.