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Finding the Fourth Proportional to 301,089.94, 451,540.74 and 108,940.12

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Solution

The fourth proportional to 301,089.94, 451,540.74 and 108,940.12 is: 163,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,089.94 : 451,540.74 = 108,940.12 : x
  2. Step 2: Convert to fraction form
    301,089.94/451,540.74 = 108,940.12/x
  3. Step 3: Cross multiply
    301,089.94x = 451,540.74 × 108,940.12
  4. Step 4: Simplify right side
    301,089.94x = 49,190,902,400.49
  5. Step 5: Solve for x
    x = 49,190,902,400.49/301,089.94
  6. Step 6: Final answer
    x = 163,376.11

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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.