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Finding the Fourth Proportional to 222,114.54, 333,171.53 and 72,354.58

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Solution

The fourth proportional to 222,114.54, 333,171.53 and 72,354.58 is: 108,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,114.54 : 333,171.53 = 72,354.58 : x
  2. Step 2: Convert to fraction form
    222,114.54/333,171.53 = 72,354.58/x
  3. Step 3: Cross multiply
    222,114.54x = 333,171.53 × 72,354.58
  4. Step 4: Simplify right side
    222,114.54x = 24,106,486,301.99
  5. Step 5: Solve for x
    x = 24,106,486,301.99/222,114.54
  6. Step 6: Final answer
    x = 108,531.78

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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.