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Finding the Fourth Proportional to 254,014.39, 381,196.55 and 87,802.39

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Solution

The fourth proportional to 254,014.39, 381,196.55 and 87,802.39 is: 131,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,014.39 : 381,196.55 = 87,802.39 : x
  2. Step 2: Convert to fraction form
    254,014.39/381,196.55 = 87,802.39/x
  3. Step 3: Cross multiply
    254,014.39x = 381,196.55 × 87,802.39
  4. Step 4: Simplify right side
    254,014.39x = 33,469,968,149.75
  5. Step 5: Solve for x
    x = 33,469,968,149.75/254,014.39
  6. Step 6: Final answer
    x = 131,764.06

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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.