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Finding the Fourth Proportional to 276,182.60, 381,003.29 and 179,379.60

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Solution

The fourth proportional to 276,182.60, 381,003.29 and 179,379.60 is: 247,460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,182.60 : 381,003.29 = 179,379.60 : x
  2. Step 2: Convert to fraction form
    276,182.60/381,003.29 = 179,379.60/x
  3. Step 3: Cross multiply
    276,182.60x = 381,003.29 × 179,379.60
  4. Step 4: Simplify right side
    276,182.60x = 68,344,217,114.91
  5. Step 5: Solve for x
    x = 68,344,217,114.91/276,182.60
  6. Step 6: Final answer
    x = 247,460.26

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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.