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Finding the Fourth Proportional to 267,336.81, 401,005.13 and 67,658.22

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Solution

The fourth proportional to 267,336.81, 401,005.13 and 67,658.22 is: 101,487.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,336.81 : 401,005.13 = 67,658.22 : x
  2. Step 2: Convert to fraction form
    267,336.81/401,005.13 = 67,658.22/x
  3. Step 3: Cross multiply
    267,336.81x = 401,005.13 × 67,658.22
  4. Step 4: Simplify right side
    267,336.81x = 27,131,292,968.38
  5. Step 5: Solve for x
    x = 27,131,292,968.38/267,336.81
  6. Step 6: Final answer
    x = 101,487.31

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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.