Home / 324,301.28-447,501.82-188,308.72

Finding the Fourth Proportional to 324,301.28, 447,501.82 and 188,308.72

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Solution

The fourth proportional to 324,301.28, 447,501.82 and 188,308.72 is: 259,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,301.28 : 447,501.82 = 188,308.72 : x
  2. Step 2: Convert to fraction form
    324,301.28/447,501.82 = 188,308.72/x
  3. Step 3: Cross multiply
    324,301.28x = 447,501.82 × 188,308.72
  4. Step 4: Simplify right side
    324,301.28x = 84,268,494,921.87
  5. Step 5: Solve for x
    x = 84,268,494,921.87/324,301.28
  6. Step 6: Final answer
    x = 259,846.32

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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.