Home / 275,620.32-379,476.21-235,171.76

Finding the Fourth Proportional to 275,620.32, 379,476.21 and 235,171.76

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Solution

The fourth proportional to 275,620.32, 379,476.21 and 235,171.76 is: 323,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,620.32 : 379,476.21 = 235,171.76 : x
  2. Step 2: Convert to fraction form
    275,620.32/379,476.21 = 235,171.76/x
  3. Step 3: Cross multiply
    275,620.32x = 379,476.21 × 235,171.76
  4. Step 4: Simplify right side
    275,620.32x = 89,242,085,110.59
  5. Step 5: Solve for x
    x = 89,242,085,110.59/275,620.32
  6. Step 6: Final answer
    x = 323,786.31

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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.