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Finding the Fourth Proportional to 538,558.39, 807,858.09 and 201,563.56

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Solution

The fourth proportional to 538,558.39, 807,858.09 and 201,563.56 is: 302,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,558.39 : 807,858.09 = 201,563.56 : x
  2. Step 2: Convert to fraction form
    538,558.39/807,858.09 = 201,563.56/x
  3. Step 3: Cross multiply
    538,558.39x = 807,858.09 × 201,563.56
  4. Step 4: Simplify right side
    538,558.39x = 162,834,753,605.02
  5. Step 5: Solve for x
    x = 162,834,753,605.02/538,558.39
  6. Step 6: Final answer
    x = 302,353.02

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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.