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Finding the Fourth Proportional to 222,020.22, 332,942.67 and 88,875.66

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Solution

The fourth proportional to 222,020.22, 332,942.67 and 88,875.66 is: 133,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,020.22 : 332,942.67 = 88,875.66 : x
  2. Step 2: Convert to fraction form
    222,020.22/332,942.67 = 88,875.66/x
  3. Step 3: Cross multiply
    222,020.22x = 332,942.67 × 88,875.66
  4. Step 4: Simplify right side
    222,020.22x = 29,590,499,538.41
  5. Step 5: Solve for x
    x = 29,590,499,538.41/222,020.22
  6. Step 6: Final answer
    x = 133,278.40

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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.