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Finding the Fourth Proportional to 222,579.41, 333,866.21 and 54,099.25

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Solution

The fourth proportional to 222,579.41, 333,866.21 and 54,099.25 is: 81,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,579.41 : 333,866.21 = 54,099.25 : x
  2. Step 2: Convert to fraction form
    222,579.41/333,866.21 = 54,099.25/x
  3. Step 3: Cross multiply
    222,579.41x = 333,866.21 × 54,099.25
  4. Step 4: Simplify right side
    222,579.41x = 18,061,912,638.49
  5. Step 5: Solve for x
    x = 18,061,912,638.49/222,579.41
  6. Step 6: Final answer
    x = 81,148.17

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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.