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Finding the Fourth Proportional to 267,996.68, 401,909.67 and 88,040.33

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Solution

The fourth proportional to 267,996.68, 401,909.67 and 88,040.33 is: 132,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,996.68 : 401,909.67 = 88,040.33 : x
  2. Step 2: Convert to fraction form
    267,996.68/401,909.67 = 88,040.33/x
  3. Step 3: Cross multiply
    267,996.68x = 401,909.67 × 88,040.33
  4. Step 4: Simplify right side
    267,996.68x = 35,384,261,280.51
  5. Step 5: Solve for x
    x = 35,384,261,280.51/267,996.68
  6. Step 6: Final answer
    x = 132,032.46

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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.