Home / 227,220.20-340,830.30-163,906.55

Finding the Fourth Proportional to 227,220.20, 340,830.30 and 163,906.55

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Solution

The fourth proportional to 227,220.20, 340,830.30 and 163,906.55 is: 245,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,220.20 : 340,830.30 = 163,906.55 : x
  2. Step 2: Convert to fraction form
    227,220.20/340,830.30 = 163,906.55/x
  3. Step 3: Cross multiply
    227,220.20x = 340,830.30 × 163,906.55
  4. Step 4: Simplify right side
    227,220.20x = 55,864,318,608.47
  5. Step 5: Solve for x
    x = 55,864,318,608.47/227,220.20
  6. Step 6: Final answer
    x = 245,859.83

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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.