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Finding the Fourth Proportional to 269,953.26, 404,485.59 and 92,363.22

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Solution

The fourth proportional to 269,953.26, 404,485.59 and 92,363.22 is: 138,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,953.26 : 404,485.59 = 92,363.22 : x
  2. Step 2: Convert to fraction form
    269,953.26/404,485.59 = 92,363.22/x
  3. Step 3: Cross multiply
    269,953.26x = 404,485.59 × 92,363.22
  4. Step 4: Simplify right side
    269,953.26x = 37,359,591,536.00
  5. Step 5: Solve for x
    x = 37,359,591,536.00/269,953.26
  6. Step 6: Final answer
    x = 138,392.81

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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.