Home / 300,976.89-415,352.79-165,023.25

Finding the Fourth Proportional to 300,976.89, 415,352.79 and 165,023.25

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Solution

The fourth proportional to 300,976.89, 415,352.79 and 165,023.25 is: 227,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,976.89 : 415,352.79 = 165,023.25 : x
  2. Step 2: Convert to fraction form
    300,976.89/415,352.79 = 165,023.25/x
  3. Step 3: Cross multiply
    300,976.89x = 415,352.79 × 165,023.25
  4. Step 4: Simplify right side
    300,976.89x = 68,542,867,302.37
  5. Step 5: Solve for x
    x = 68,542,867,302.37/300,976.89
  6. Step 6: Final answer
    x = 227,734.65

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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.