Home / 422,918.25-583,634.66-231,929.97

Finding the Fourth Proportional to 422,918.25, 583,634.66 and 231,929.97

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Solution

The fourth proportional to 422,918.25, 583,634.66 and 231,929.97 is: 320,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,918.25 : 583,634.66 = 231,929.97 : x
  2. Step 2: Convert to fraction form
    422,918.25/583,634.66 = 231,929.97/x
  3. Step 3: Cross multiply
    422,918.25x = 583,634.66 × 231,929.97
  4. Step 4: Simplify right side
    422,918.25x = 135,362,369,184.76
  5. Step 5: Solve for x
    x = 135,362,369,184.76/422,918.25
  6. Step 6: Final answer
    x = 320,067.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.