Home / 228,669.34-343,121.11-108,861.84

Finding the Fourth Proportional to 228,669.34, 343,121.11 and 108,861.84

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Solution

The fourth proportional to 228,669.34, 343,121.11 and 108,861.84 is: 163,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,669.34 : 343,121.11 = 108,861.84 : x
  2. Step 2: Convert to fraction form
    228,669.34/343,121.11 = 108,861.84/x
  3. Step 3: Cross multiply
    228,669.34x = 343,121.11 × 108,861.84
  4. Step 4: Simplify right side
    228,669.34x = 37,352,795,377.44
  5. Step 5: Solve for x
    x = 37,352,795,377.44/228,669.34
  6. Step 6: Final answer
    x = 163,348.51

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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.