Home / 269,784.20-404,579.10-136,620.20

Finding the Fourth Proportional to 269,784.20, 404,579.10 and 136,620.20

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Solution

The fourth proportional to 269,784.20, 404,579.10 and 136,620.20 is: 204,881.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,784.20 : 404,579.10 = 136,620.20 : x
  2. Step 2: Convert to fraction form
    269,784.20/404,579.10 = 136,620.20/x
  3. Step 3: Cross multiply
    269,784.20x = 404,579.10 × 136,620.20
  4. Step 4: Simplify right side
    269,784.20x = 55,273,677,557.82
  5. Step 5: Solve for x
    x = 55,273,677,557.82/269,784.20
  6. Step 6: Final answer
    x = 204,881.08

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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.