Home / 204,780.72-280,551.28-197,110.56

Finding the Fourth Proportional to 204,780.72, 280,551.28 and 197,110.56

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Solution

The fourth proportional to 204,780.72, 280,551.28 and 197,110.56 is: 270,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,780.72 : 280,551.28 = 197,110.56 : x
  2. Step 2: Convert to fraction form
    204,780.72/280,551.28 = 197,110.56/x
  3. Step 3: Cross multiply
    204,780.72x = 280,551.28 × 197,110.56
  4. Step 4: Simplify right side
    204,780.72x = 55,299,619,909.52
  5. Step 5: Solve for x
    x = 55,299,619,909.52/204,780.72
  6. Step 6: Final answer
    x = 270,043.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.