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Finding the Fourth Proportional to 222,051.24, 333,081 and 72,291

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Solution

The fourth proportional to 222,051.24, 333,081 and 72,291 is: 108,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,051.24 : 333,081 = 72,291 : x
  2. Step 2: Convert to fraction form
    222,051.24/333,081 = 72,291/x
  3. Step 3: Cross multiply
    222,051.24x = 333,081 × 72,291
  4. Step 4: Simplify right side
    222,051.24x = 24,078,758,571
  5. Step 5: Solve for x
    x = 24,078,758,571/222,051.24
  6. Step 6: Final answer
    x = 108,437.85

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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.