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Finding the Fourth Proportional to 222,530.79, 333,791.48 and 54,051.90

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Solution

The fourth proportional to 222,530.79, 333,791.48 and 54,051.90 is: 81,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,530.79 : 333,791.48 = 54,051.90 : x
  2. Step 2: Convert to fraction form
    222,530.79/333,791.48 = 54,051.90/x
  3. Step 3: Cross multiply
    222,530.79x = 333,791.48 × 54,051.90
  4. Step 4: Simplify right side
    222,530.79x = 18,042,063,427.55
  5. Step 5: Solve for x
    x = 18,042,063,427.55/222,530.79
  6. Step 6: Final answer
    x = 81,076.71

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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.