Home / 268,991.28-403,486.92-82,001.16

Finding the Fourth Proportional to 268,991.28, 403,486.92 and 82,001.16

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Solution

The fourth proportional to 268,991.28, 403,486.92 and 82,001.16 is: 123,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,991.28 : 403,486.92 = 82,001.16 : x
  2. Step 2: Convert to fraction form
    268,991.28/403,486.92 = 82,001.16/x
  3. Step 3: Cross multiply
    268,991.28x = 403,486.92 × 82,001.16
  4. Step 4: Simplify right side
    268,991.28x = 33,086,395,484.83
  5. Step 5: Solve for x
    x = 33,086,395,484.83/268,991.28
  6. Step 6: Final answer
    x = 123,001.74

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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.