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Finding the Fourth Proportional to 215,801.79, 297,799.62 and 119,009.73

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Solution

The fourth proportional to 215,801.79, 297,799.62 and 119,009.73 is: 164,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,801.79 : 297,799.62 = 119,009.73 : x
  2. Step 2: Convert to fraction form
    215,801.79/297,799.62 = 119,009.73/x
  3. Step 3: Cross multiply
    215,801.79x = 297,799.62 × 119,009.73
  4. Step 4: Simplify right side
    215,801.79x = 35,441,052,370.30
  5. Step 5: Solve for x
    x = 35,441,052,370.30/215,801.79
  6. Step 6: Final answer
    x = 164,229.65

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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.