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Finding the Fourth Proportional to 221,894, 332,841 and 74,150

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Solution

The fourth proportional to 221,894, 332,841 and 74,150 is: 111,225

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,894 : 332,841 = 74,150 : x
  2. Step 2: Convert to fraction form
    221,894/332,841 = 74,150/x
  3. Step 3: Cross multiply
    221,894x = 332,841 × 74,150
  4. Step 4: Simplify right side
    221,894x = 24,680,160,150
  5. Step 5: Solve for x
    x = 24,680,160,150/221,894
  6. Step 6: Final answer
    x = 111,225

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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.