Home / 279,902.22-386,027.37-236,507.38

Finding the Fourth Proportional to 279,902.22, 386,027.37 and 236,507.38

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Solution

The fourth proportional to 279,902.22, 386,027.37 and 236,507.38 is: 326,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,902.22 : 386,027.37 = 236,507.38 : x
  2. Step 2: Convert to fraction form
    279,902.22/386,027.37 = 236,507.38/x
  3. Step 3: Cross multiply
    279,902.22x = 386,027.37 × 236,507.38
  4. Step 4: Simplify right side
    279,902.22x = 91,298,320,921.92
  5. Step 5: Solve for x
    x = 91,298,320,921.92/279,902.22
  6. Step 6: Final answer
    x = 326,179.34

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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.