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Finding the Fourth Proportional to 273,848.40, 410,081.40 and 179,845.20

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Solution

The fourth proportional to 273,848.40, 410,081.40 and 179,845.20 is: 269,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,848.40 : 410,081.40 = 179,845.20 : x
  2. Step 2: Convert to fraction form
    273,848.40/410,081.40 = 179,845.20/x
  3. Step 3: Cross multiply
    273,848.40x = 410,081.40 × 179,845.20
  4. Step 4: Simplify right side
    273,848.40x = 73,751,171,399.28
  5. Step 5: Solve for x
    x = 73,751,171,399.28/273,848.40
  6. Step 6: Final answer
    x = 269,313.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.