Home / 298,972.80-447,584.40-199,245.60

Finding the Fourth Proportional to 298,972.80, 447,584.40 and 199,245.60

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Solution

The fourth proportional to 298,972.80, 447,584.40 and 199,245.60 is: 298,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,972.80 : 447,584.40 = 199,245.60 : x
  2. Step 2: Convert to fraction form
    298,972.80/447,584.40 = 199,245.60/x
  3. Step 3: Cross multiply
    298,972.80x = 447,584.40 × 199,245.60
  4. Step 4: Simplify right side
    298,972.80x = 89,179,222,328.64
  5. Step 5: Solve for x
    x = 89,179,222,328.64/298,972.80
  6. Step 6: Final answer
    x = 298,285.40

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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.