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Finding the Fourth Proportional to 438,847.00, 605,651.82 and 266,751.97

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Solution

The fourth proportional to 438,847.00, 605,651.82 and 266,751.97 is: 368,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,847.00 : 605,651.82 = 266,751.97 : x
  2. Step 2: Convert to fraction form
    438,847.00/605,651.82 = 266,751.97/x
  3. Step 3: Cross multiply
    438,847.00x = 605,651.82 × 266,751.97
  4. Step 4: Simplify right side
    438,847.00x = 161,558,813,604.64
  5. Step 5: Solve for x
    x = 161,558,813,604.64/438,847.00
  6. Step 6: Final answer
    x = 368,143.83

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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.