Home / 422,821.42-633,930.83-198,059.25

Finding the Fourth Proportional to 422,821.42, 633,930.83 and 198,059.25

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Solution

The fourth proportional to 422,821.42, 633,930.83 and 198,059.25 is: 296,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,821.42 : 633,930.83 = 198,059.25 : x
  2. Step 2: Convert to fraction form
    422,821.42/633,930.83 = 198,059.25/x
  3. Step 3: Cross multiply
    422,821.42x = 633,930.83 × 198,059.25
  4. Step 4: Simplify right side
    422,821.42x = 125,555,862,386.31
  5. Step 5: Solve for x
    x = 125,555,862,386.31/422,821.42
  6. Step 6: Final answer
    x = 296,947.73

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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.