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Finding the Fourth Proportional to 250,716.60, 376,408.62 and 145,611

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Solution

The fourth proportional to 250,716.60, 376,408.62 and 145,611 is: 218,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,716.60 : 376,408.62 = 145,611 : x
  2. Step 2: Convert to fraction form
    250,716.60/376,408.62 = 145,611/x
  3. Step 3: Cross multiply
    250,716.60x = 376,408.62 × 145,611
  4. Step 4: Simplify right side
    250,716.60x = 54,809,235,566.82
  5. Step 5: Solve for x
    x = 54,809,235,566.82/250,716.60
  6. Step 6: Final answer
    x = 218,610.32

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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.