Home / 324,109.18-447,467.79-222,301.90

Finding the Fourth Proportional to 324,109.18, 447,467.79 and 222,301.90

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Solution

The fourth proportional to 324,109.18, 447,467.79 and 222,301.90 is: 306,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,109.18 : 447,467.79 = 222,301.90 : x
  2. Step 2: Convert to fraction form
    324,109.18/447,467.79 = 222,301.90/x
  3. Step 3: Cross multiply
    324,109.18x = 447,467.79 × 222,301.90
  4. Step 4: Simplify right side
    324,109.18x = 99,472,939,905.80
  5. Step 5: Solve for x
    x = 99,472,939,905.80/324,109.18
  6. Step 6: Final answer
    x = 306,911.82

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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.