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Finding the Fourth Proportional to 273,066.38, 376,993.25 and 242,768.01

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Solution

The fourth proportional to 273,066.38, 376,993.25 and 242,768.01 is: 335,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,066.38 : 376,993.25 = 242,768.01 : x
  2. Step 2: Convert to fraction form
    273,066.38/376,993.25 = 242,768.01/x
  3. Step 3: Cross multiply
    273,066.38x = 376,993.25 × 242,768.01
  4. Step 4: Simplify right side
    273,066.38x = 91,521,899,872.09
  5. Step 5: Solve for x
    x = 91,521,899,872.09/273,066.38
  6. Step 6: Final answer
    x = 335,163.57

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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.