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Finding the Fourth Proportional to 222,561.42, 333,701.62 and 122,791.14

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Solution

The fourth proportional to 222,561.42, 333,701.62 and 122,791.14 is: 184,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,561.42 : 333,701.62 = 122,791.14 : x
  2. Step 2: Convert to fraction form
    222,561.42/333,701.62 = 122,791.14/x
  3. Step 3: Cross multiply
    222,561.42x = 333,701.62 × 122,791.14
  4. Step 4: Simplify right side
    222,561.42x = 40,975,600,057.18
  5. Step 5: Solve for x
    x = 40,975,600,057.18/222,561.42
  6. Step 6: Final answer
    x = 184,109.18

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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.