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Finding the Fourth Proportional to 264,544.17, 365,073.60 and 143,687.82

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Solution

The fourth proportional to 264,544.17, 365,073.60 and 143,687.82 is: 198,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,544.17 : 365,073.60 = 143,687.82 : x
  2. Step 2: Convert to fraction form
    264,544.17/365,073.60 = 143,687.82/x
  3. Step 3: Cross multiply
    264,544.17x = 365,073.60 × 143,687.82
  4. Step 4: Simplify right side
    264,544.17x = 52,456,629,723.55
  5. Step 5: Solve for x
    x = 52,456,629,723.55/264,544.17
  6. Step 6: Final answer
    x = 198,290.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.