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Finding the Fourth Proportional to 270,149.80, 404,787.30 and 254,403.40

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Solution

The fourth proportional to 270,149.80, 404,787.30 and 254,403.40 is: 381,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,149.80 : 404,787.30 = 254,403.40 : x
  2. Step 2: Convert to fraction form
    270,149.80/404,787.30 = 254,403.40/x
  3. Step 3: Cross multiply
    270,149.80x = 404,787.30 × 254,403.40
  4. Step 4: Simplify right side
    270,149.80x = 102,979,265,396.82
  5. Step 5: Solve for x
    x = 102,979,265,396.82/270,149.80
  6. Step 6: Final answer
    x = 381,193.20

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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.