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Finding the Fourth Proportional to 236,508.77, 354,765.78 and 78,736.97

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Solution

The fourth proportional to 236,508.77, 354,765.78 and 78,736.97 is: 118,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,508.77 : 354,765.78 = 78,736.97 : x
  2. Step 2: Convert to fraction form
    236,508.77/354,765.78 = 78,736.97/x
  3. Step 3: Cross multiply
    236,508.77x = 354,765.78 × 78,736.97
  4. Step 4: Simplify right side
    236,508.77x = 27,933,180,803.06
  5. Step 5: Solve for x
    x = 27,933,180,803.06/236,508.77
  6. Step 6: Final answer
    x = 118,106.32

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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.