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Finding the Fourth Proportional to 269,473.96, 404,099.58 and 91,995.22

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Solution

The fourth proportional to 269,473.96, 404,099.58 and 91,995.22 is: 137,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,473.96 : 404,099.58 = 91,995.22 : x
  2. Step 2: Convert to fraction form
    269,473.96/404,099.58 = 91,995.22/x
  3. Step 3: Cross multiply
    269,473.96x = 404,099.58 × 91,995.22
  4. Step 4: Simplify right side
    269,473.96x = 37,175,229,764.01
  5. Step 5: Solve for x
    x = 37,175,229,764.01/269,473.96
  6. Step 6: Final answer
    x = 137,954.81

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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.