Home / 551,211.20-826,622.40-196,236.80

Finding the Fourth Proportional to 551,211.20, 826,622.40 and 196,236.80

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Solution

The fourth proportional to 551,211.20, 826,622.40 and 196,236.80 is: 294,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,211.20 : 826,622.40 = 196,236.80 : x
  2. Step 2: Convert to fraction form
    551,211.20/826,622.40 = 196,236.80/x
  3. Step 3: Cross multiply
    551,211.20x = 826,622.40 × 196,236.80
  4. Step 4: Simplify right side
    551,211.20x = 162,213,734,584.32
  5. Step 5: Solve for x
    x = 162,213,734,584.32/551,211.20
  6. Step 6: Final answer
    x = 294,285.99

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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.