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Finding the Fourth Proportional to 259,403.60, 388,230.60 and 227,910.80

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Solution

The fourth proportional to 259,403.60, 388,230.60 and 227,910.80 is: 341,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,403.60 : 388,230.60 = 227,910.80 : x
  2. Step 2: Convert to fraction form
    259,403.60/388,230.60 = 227,910.80/x
  3. Step 3: Cross multiply
    259,403.60x = 388,230.60 × 227,910.80
  4. Step 4: Simplify right side
    259,403.60x = 88,481,946,630.48
  5. Step 5: Solve for x
    x = 88,481,946,630.48/259,403.60
  6. Step 6: Final answer
    x = 341,097.60

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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.