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Finding the Fourth Proportional to 300,025.76, 450,039.09 and 122,532.77

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Solution

The fourth proportional to 300,025.76, 450,039.09 and 122,532.77 is: 183,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,025.76 : 450,039.09 = 122,532.77 : x
  2. Step 2: Convert to fraction form
    300,025.76/450,039.09 = 122,532.77/x
  3. Step 3: Cross multiply
    300,025.76x = 450,039.09 × 122,532.77
  4. Step 4: Simplify right side
    300,025.76x = 55,144,534,055.78
  5. Step 5: Solve for x
    x = 55,144,534,055.78/300,025.76
  6. Step 6: Final answer
    x = 183,799.33

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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.