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Finding the Fourth Proportional to 300,252.94, 450,379.73 and 122,759.95

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Solution

The fourth proportional to 300,252.94, 450,379.73 and 122,759.95 is: 184,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,252.94 : 450,379.73 = 122,759.95 : x
  2. Step 2: Convert to fraction form
    300,252.94/450,379.73 = 122,759.95/x
  3. Step 3: Cross multiply
    300,252.94x = 450,379.73 × 122,759.95
  4. Step 4: Simplify right side
    300,252.94x = 55,288,593,135.81
  5. Step 5: Solve for x
    x = 55,288,593,135.81/300,252.94
  6. Step 6: Final answer
    x = 184,140.06

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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.