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Finding the Fourth Proportional to 300,250.63, 450,376.27 and 122,757.66

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Solution

The fourth proportional to 300,250.63, 450,376.27 and 122,757.66 is: 184,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,250.63 : 450,376.27 = 122,757.66 : x
  2. Step 2: Convert to fraction form
    300,250.63/450,376.27 = 122,757.66/x
  3. Step 3: Cross multiply
    300,250.63x = 450,376.27 × 122,757.66
  4. Step 4: Simplify right side
    300,250.63x = 55,287,136,717.83
  5. Step 5: Solve for x
    x = 55,287,136,717.83/300,250.63
  6. Step 6: Final answer
    x = 184,136.62

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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.