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Finding the Fourth Proportional to 304,604.20, 456,906.30 and 225,872.20

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Solution

The fourth proportional to 304,604.20, 456,906.30 and 225,872.20 is: 338,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,604.20 : 456,906.30 = 225,872.20 : x
  2. Step 2: Convert to fraction form
    304,604.20/456,906.30 = 225,872.20/x
  3. Step 3: Cross multiply
    304,604.20x = 456,906.30 × 225,872.20
  4. Step 4: Simplify right side
    304,604.20x = 103,202,431,174.86
  5. Step 5: Solve for x
    x = 103,202,431,174.86/304,604.20
  6. Step 6: Final answer
    x = 338,808.30

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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.