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Finding the Fourth Proportional to 269,852, 404,797.44 and 103,640

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Solution

The fourth proportional to 269,852, 404,797.44 and 103,640 is: 155,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,852 : 404,797.44 = 103,640 : x
  2. Step 2: Convert to fraction form
    269,852/404,797.44 = 103,640/x
  3. Step 3: Cross multiply
    269,852x = 404,797.44 × 103,640
  4. Step 4: Simplify right side
    269,852x = 41,953,206,681.60
  5. Step 5: Solve for x
    x = 41,953,206,681.60/269,852
  6. Step 6: Final answer
    x = 155,467.47

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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.