Home / 399,278.67-550,997.31-227,192.91

Finding the Fourth Proportional to 399,278.67, 550,997.31 and 227,192.91

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Solution

The fourth proportional to 399,278.67, 550,997.31 and 227,192.91 is: 313,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,278.67 : 550,997.31 = 227,192.91 : x
  2. Step 2: Convert to fraction form
    399,278.67/550,997.31 = 227,192.91/x
  3. Step 3: Cross multiply
    399,278.67x = 550,997.31 × 227,192.91
  4. Step 4: Simplify right side
    399,278.67x = 125,182,682,261.07
  5. Step 5: Solve for x
    x = 125,182,682,261.07/399,278.67
  6. Step 6: Final answer
    x = 313,522.09

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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.