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Finding the Fourth Proportional to 300,523.72, 450,800.16 and 247,837

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Solution

The fourth proportional to 300,523.72, 450,800.16 and 247,837 is: 371,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,523.72 : 450,800.16 = 247,837 : x
  2. Step 2: Convert to fraction form
    300,523.72/450,800.16 = 247,837/x
  3. Step 3: Cross multiply
    300,523.72x = 450,800.16 × 247,837
  4. Step 4: Simplify right side
    300,523.72x = 111,724,959,253.92
  5. Step 5: Solve for x
    x = 111,724,959,253.92/300,523.72
  6. Step 6: Final answer
    x = 371,767.52

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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.