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Finding the Fourth Proportional to 215,438.22, 297,309.96 and 119,951.37

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Solution

The fourth proportional to 215,438.22, 297,309.96 and 119,951.37 is: 165,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,438.22 : 297,309.96 = 119,951.37 : x
  2. Step 2: Convert to fraction form
    215,438.22/297,309.96 = 119,951.37/x
  3. Step 3: Cross multiply
    215,438.22x = 297,309.96 × 119,951.37
  4. Step 4: Simplify right side
    215,438.22x = 35,662,737,016.65
  5. Step 5: Solve for x
    x = 35,662,737,016.65/215,438.22
  6. Step 6: Final answer
    x = 165,535.79

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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.