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Finding the Fourth Proportional to 367,647.53, 550,696.32 and 168,135.89

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Solution

The fourth proportional to 367,647.53, 550,696.32 and 168,135.89 is: 251,849.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,647.53 : 550,696.32 = 168,135.89 : x
  2. Step 2: Convert to fraction form
    367,647.53/550,696.32 = 168,135.89/x
  3. Step 3: Cross multiply
    367,647.53x = 550,696.32 × 168,135.89
  4. Step 4: Simplify right side
    367,647.53x = 92,591,813,129.44
  5. Step 5: Solve for x
    x = 92,591,813,129.44/367,647.53
  6. Step 6: Final answer
    x = 251,849.41

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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.