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Finding the Fourth Proportional to 208,745.37, 313,119 and 88,771.41

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Solution

The fourth proportional to 208,745.37, 313,119 and 88,771.41 is: 133,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,745.37 : 313,119 = 88,771.41 : x
  2. Step 2: Convert to fraction form
    208,745.37/313,119 = 88,771.41/x
  3. Step 3: Cross multiply
    208,745.37x = 313,119 × 88,771.41
  4. Step 4: Simplify right side
    208,745.37x = 27,796,015,127.79
  5. Step 5: Solve for x
    x = 27,796,015,127.79/208,745.37
  6. Step 6: Final answer
    x = 133,157.52

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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.