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Finding the Fourth Proportional to 278,950.08, 419,943.04 and 254,149.44

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Solution

The fourth proportional to 278,950.08, 419,943.04 and 254,149.44 is: 382,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,950.08 : 419,943.04 = 254,149.44 : x
  2. Step 2: Convert to fraction form
    278,950.08/419,943.04 = 254,149.44/x
  3. Step 3: Cross multiply
    278,950.08x = 419,943.04 × 254,149.44
  4. Step 4: Simplify right side
    278,950.08x = 106,728,288,447.90
  5. Step 5: Solve for x
    x = 106,728,288,447.90/278,950.08
  6. Step 6: Final answer
    x = 382,607.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.