Home / 231,664.60-348,015.30-222,218.20

Finding the Fourth Proportional to 231,664.60, 348,015.30 and 222,218.20

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Solution

The fourth proportional to 231,664.60, 348,015.30 and 222,218.20 is: 333,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,664.60 : 348,015.30 = 222,218.20 : x
  2. Step 2: Convert to fraction form
    231,664.60/348,015.30 = 222,218.20/x
  3. Step 3: Cross multiply
    231,664.60x = 348,015.30 × 222,218.20
  4. Step 4: Simplify right side
    231,664.60x = 77,335,333,538.46
  5. Step 5: Solve for x
    x = 77,335,333,538.46/231,664.60
  6. Step 6: Final answer
    x = 333,824.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.