Home / 218,881.44-328,273.92-61,067.52

Finding the Fourth Proportional to 218,881.44, 328,273.92 and 61,067.52

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Solution

The fourth proportional to 218,881.44, 328,273.92 and 61,067.52 is: 91,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,881.44 : 328,273.92 = 61,067.52 : x
  2. Step 2: Convert to fraction form
    218,881.44/328,273.92 = 61,067.52/x
  3. Step 3: Cross multiply
    218,881.44x = 328,273.92 × 61,067.52
  4. Step 4: Simplify right side
    218,881.44x = 20,046,874,175.08
  5. Step 5: Solve for x
    x = 20,046,874,175.08/218,881.44
  6. Step 6: Final answer
    x = 91,587.82

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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.