Home / 268,372.05-401,570.88-161,821.41

Finding the Fourth Proportional to 268,372.05, 401,570.88 and 161,821.41

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Solution

The fourth proportional to 268,372.05, 401,570.88 and 161,821.41 is: 242,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,372.05 : 401,570.88 = 161,821.41 : x
  2. Step 2: Convert to fraction form
    268,372.05/401,570.88 = 161,821.41/x
  3. Step 3: Cross multiply
    268,372.05x = 401,570.88 × 161,821.41
  4. Step 4: Simplify right side
    268,372.05x = 64,982,766,016.54
  5. Step 5: Solve for x
    x = 64,982,766,016.54/268,372.05
  6. Step 6: Final answer
    x = 242,136.86

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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.