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Finding the Fourth Proportional to 269,721.60, 403,804.80 and 269,721.60

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Solution

The fourth proportional to 269,721.60, 403,804.80 and 269,721.60 is: 403,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,721.60 : 403,804.80 = 269,721.60 : x
  2. Step 2: Convert to fraction form
    269,721.60/403,804.80 = 269,721.60/x
  3. Step 3: Cross multiply
    269,721.60x = 403,804.80 × 269,721.60
  4. Step 4: Simplify right side
    269,721.60x = 108,914,876,743.68
  5. Step 5: Solve for x
    x = 108,914,876,743.68/269,721.60
  6. Step 6: Final answer
    x = 403,804.80

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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.