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Finding the Fourth Proportional to 269,600.40, 404,728.65 and 136,412.10

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Solution

The fourth proportional to 269,600.40, 404,728.65 and 136,412.10 is: 204,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,600.40 : 404,728.65 = 136,412.10 : x
  2. Step 2: Convert to fraction form
    269,600.40/404,728.65 = 136,412.10/x
  3. Step 3: Cross multiply
    269,600.40x = 404,728.65 × 136,412.10
  4. Step 4: Simplify right side
    269,600.40x = 55,209,885,076.67
  5. Step 5: Solve for x
    x = 55,209,885,076.67/269,600.40
  6. Step 6: Final answer
    x = 204,784.14

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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.