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Finding the Fourth Proportional to 227,550.66, 341,313.21 and 69,778.68

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Solution

The fourth proportional to 227,550.66, 341,313.21 and 69,778.68 is: 104,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,550.66 : 341,313.21 = 69,778.68 : x
  2. Step 2: Convert to fraction form
    227,550.66/341,313.21 = 69,778.68/x
  3. Step 3: Cross multiply
    227,550.66x = 341,313.21 × 69,778.68
  4. Step 4: Simplify right side
    227,550.66x = 23,816,385,260.36
  5. Step 5: Solve for x
    x = 23,816,385,260.36/227,550.66
  6. Step 6: Final answer
    x = 104,664.10

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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.