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Finding the Fourth Proportional to 226,601.70, 339,902.55 and 108,503.70

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Solution

The fourth proportional to 226,601.70, 339,902.55 and 108,503.70 is: 162,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,601.70 : 339,902.55 = 108,503.70 : x
  2. Step 2: Convert to fraction form
    226,601.70/339,902.55 = 108,503.70/x
  3. Step 3: Cross multiply
    226,601.70x = 339,902.55 × 108,503.70
  4. Step 4: Simplify right side
    226,601.70x = 36,880,684,314.44
  5. Step 5: Solve for x
    x = 36,880,684,314.44/226,601.70
  6. Step 6: Final answer
    x = 162,755.55

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1.5x scale

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.