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Finding the Fourth Proportional to 269,543.87, 404,364.22 and 92,009.37

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Solution

The fourth proportional to 269,543.87, 404,364.22 and 92,009.37 is: 138,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,543.87 : 404,364.22 = 92,009.37 : x
  2. Step 2: Convert to fraction form
    269,543.87/404,364.22 = 92,009.37/x
  3. Step 3: Cross multiply
    269,543.87x = 404,364.22 × 92,009.37
  4. Step 4: Simplify right side
    269,543.87x = 37,205,296,144.54
  5. Step 5: Solve for x
    x = 37,205,296,144.54/269,543.87
  6. Step 6: Final answer
    x = 138,030.58

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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.