Home / 324,451.31-447,940.06-222,644.03

Finding the Fourth Proportional to 324,451.31, 447,940.06 and 222,644.03

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Solution

The fourth proportional to 324,451.31, 447,940.06 and 222,644.03 is: 307,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,451.31 : 447,940.06 = 222,644.03 : x
  2. Step 2: Convert to fraction form
    324,451.31/447,940.06 = 222,644.03/x
  3. Step 3: Cross multiply
    324,451.31x = 447,940.06 × 222,644.03
  4. Step 4: Simplify right side
    324,451.31x = 99,731,177,360.53
  5. Step 5: Solve for x
    x = 99,731,177,360.53/324,451.31
  6. Step 6: Final answer
    x = 307,384.12

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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.