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Finding the Fourth Proportional to 364,647.54, 503,192.43 and 203,489.94

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Solution

The fourth proportional to 364,647.54, 503,192.43 and 203,489.94 is: 280,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,647.54 : 503,192.43 = 203,489.94 : x
  2. Step 2: Convert to fraction form
    364,647.54/503,192.43 = 203,489.94/x
  3. Step 3: Cross multiply
    364,647.54x = 503,192.43 × 203,489.94
  4. Step 4: Simplify right side
    364,647.54x = 102,394,597,389.15
  5. Step 5: Solve for x
    x = 102,394,597,389.15/364,647.54
  6. Step 6: Final answer
    x = 280,804.30

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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.