Home / 251,203.82-378,481.24-227,215.84

Finding the Fourth Proportional to 251,203.82, 378,481.24 and 227,215.84

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Solution

The fourth proportional to 251,203.82, 378,481.24 and 227,215.84 is: 342,339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,203.82 : 378,481.24 = 227,215.84 : x
  2. Step 2: Convert to fraction form
    251,203.82/378,481.24 = 227,215.84/x
  3. Step 3: Cross multiply
    251,203.82x = 378,481.24 × 227,215.84
  4. Step 4: Simplify right side
    251,203.82x = 85,996,932,870.84
  5. Step 5: Solve for x
    x = 85,996,932,870.84/251,203.82
  6. Step 6: Final answer
    x = 342,339.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.