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Finding the Fourth Proportional to 300,676.87, 451,014.99 and 123,184.20

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Solution

The fourth proportional to 300,676.87, 451,014.99 and 123,184.20 is: 184,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,676.87 : 451,014.99 = 123,184.20 : x
  2. Step 2: Convert to fraction form
    300,676.87/451,014.99 = 123,184.20/x
  3. Step 3: Cross multiply
    300,676.87x = 451,014.99 × 123,184.20
  4. Step 4: Simplify right side
    300,676.87x = 55,557,918,476.08
  5. Step 5: Solve for x
    x = 55,557,918,476.08/300,676.87
  6. Step 6: Final answer
    x = 184,776.17

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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.