Home / 276,266.27-381,926.77-273,740.29

Finding the Fourth Proportional to 276,266.27, 381,926.77 and 273,740.29

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Solution

The fourth proportional to 276,266.27, 381,926.77 and 273,740.29 is: 378,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,266.27 : 381,926.77 = 273,740.29 : x
  2. Step 2: Convert to fraction form
    276,266.27/381,926.77 = 273,740.29/x
  3. Step 3: Cross multiply
    276,266.27x = 381,926.77 × 273,740.29
  4. Step 4: Simplify right side
    276,266.27x = 104,548,744,778.56
  5. Step 5: Solve for x
    x = 104,548,744,778.56/276,266.27
  6. Step 6: Final answer
    x = 378,434.71

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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.