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Finding the Fourth Proportional to 299,230.20, 448,189.20 and 259,864.20

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Solution

The fourth proportional to 299,230.20, 448,189.20 and 259,864.20 is: 389,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,230.20 : 448,189.20 = 259,864.20 : x
  2. Step 2: Convert to fraction form
    299,230.20/448,189.20 = 259,864.20/x
  3. Step 3: Cross multiply
    299,230.20x = 448,189.20 × 259,864.20
  4. Step 4: Simplify right side
    299,230.20x = 116,468,327,906.64
  5. Step 5: Solve for x
    x = 116,468,327,906.64/299,230.20
  6. Step 6: Final answer
    x = 389,226.51

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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.