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Finding the Fourth Proportional to 404,352.30, 605,872.35 and 254,324.10

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Solution

The fourth proportional to 404,352.30, 605,872.35 and 254,324.10 is: 381,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,352.30 : 605,872.35 = 254,324.10 : x
  2. Step 2: Convert to fraction form
    404,352.30/605,872.35 = 254,324.10/x
  3. Step 3: Cross multiply
    404,352.30x = 605,872.35 × 254,324.10
  4. Step 4: Simplify right side
    404,352.30x = 154,087,940,128.64
  5. Step 5: Solve for x
    x = 154,087,940,128.64/404,352.30
  6. Step 6: Final answer
    x = 381,073.48

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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.