Home / 544,067.20-815,517.60-206,977.60

Finding the Fourth Proportional to 544,067.20, 815,517.60 and 206,977.60

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Solution

The fourth proportional to 544,067.20, 815,517.60 and 206,977.60 is: 310,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,067.20 : 815,517.60 = 206,977.60 : x
  2. Step 2: Convert to fraction form
    544,067.20/815,517.60 = 206,977.60/x
  3. Step 3: Cross multiply
    544,067.20x = 815,517.60 × 206,977.60
  4. Step 4: Simplify right side
    544,067.20x = 168,793,875,605.76
  5. Step 5: Solve for x
    x = 168,793,875,605.76/544,067.20
  6. Step 6: Final answer
    x = 310,244.54

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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.