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Finding the Fourth Proportional to 276,126.67, 381,733.86 and 273,600.69

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Solution

The fourth proportional to 276,126.67, 381,733.86 and 273,600.69 is: 378,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,126.67 : 381,733.86 = 273,600.69 : x
  2. Step 2: Convert to fraction form
    276,126.67/381,733.86 = 273,600.69/x
  3. Step 3: Cross multiply
    276,126.67x = 381,733.86 × 273,600.69
  4. Step 4: Simplify right side
    276,126.67x = 104,442,647,492.36
  5. Step 5: Solve for x
    x = 104,442,647,492.36/276,126.67
  6. Step 6: Final answer
    x = 378,241.80

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1.5x scale

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.