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Finding the Fourth Proportional to 199,404.73, 275,194.83 and 113,390.65

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Solution

The fourth proportional to 199,404.73, 275,194.83 and 113,390.65 is: 156,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,404.73 : 275,194.83 = 113,390.65 : x
  2. Step 2: Convert to fraction form
    199,404.73/275,194.83 = 113,390.65/x
  3. Step 3: Cross multiply
    199,404.73x = 275,194.83 × 113,390.65
  4. Step 4: Simplify right side
    199,404.73x = 31,204,520,650.34
  5. Step 5: Solve for x
    x = 31,204,520,650.34/199,404.73
  6. Step 6: Final answer
    x = 156,488.37

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1.5x scale

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.