Home / 324,664.54-447,906.06-215,821.51

Finding the Fourth Proportional to 324,664.54, 447,906.06 and 215,821.51

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Solution

The fourth proportional to 324,664.54, 447,906.06 and 215,821.51 is: 297,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,664.54 : 447,906.06 = 215,821.51 : x
  2. Step 2: Convert to fraction form
    324,664.54/447,906.06 = 215,821.51/x
  3. Step 3: Cross multiply
    324,664.54x = 447,906.06 × 215,821.51
  4. Step 4: Simplify right side
    324,664.54x = 96,667,761,087.59
  5. Step 5: Solve for x
    x = 96,667,761,087.59/324,664.54
  6. Step 6: Final answer
    x = 297,746.60

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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.