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Finding the Fourth Proportional to 324,301.78, 447,502.50 and 188,309.22

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Solution

The fourth proportional to 324,301.78, 447,502.50 and 188,309.22 is: 259,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,301.78 : 447,502.50 = 188,309.22 : x
  2. Step 2: Convert to fraction form
    324,301.78/447,502.50 = 188,309.22/x
  3. Step 3: Cross multiply
    324,301.78x = 447,502.50 × 188,309.22
  4. Step 4: Simplify right side
    324,301.78x = 84,268,846,723.05
  5. Step 5: Solve for x
    x = 84,268,846,723.05/324,301.78
  6. Step 6: Final answer
    x = 259,847.01

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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.