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Finding the Fourth Proportional to 259,401.60, 388,227.60 and 227,908.80

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Solution

The fourth proportional to 259,401.60, 388,227.60 and 227,908.80 is: 341,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,401.60 : 388,227.60 = 227,908.80 : x
  2. Step 2: Convert to fraction form
    259,401.60/388,227.60 = 227,908.80/x
  3. Step 3: Cross multiply
    259,401.60x = 388,227.60 × 227,908.80
  4. Step 4: Simplify right side
    259,401.60x = 88,480,486,442.88
  5. Step 5: Solve for x
    x = 88,480,486,442.88/259,401.60
  6. Step 6: Final answer
    x = 341,094.61

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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.