Home / 274,924.32-379,377.60-161,725.20

Finding the Fourth Proportional to 274,924.32, 379,377.60 and 161,725.20

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Solution

The fourth proportional to 274,924.32, 379,377.60 and 161,725.20 is: 223,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,924.32 : 379,377.60 = 161,725.20 : x
  2. Step 2: Convert to fraction form
    274,924.32/379,377.60 = 161,725.20/x
  3. Step 3: Cross multiply
    274,924.32x = 379,377.60 × 161,725.20
  4. Step 4: Simplify right side
    274,924.32x = 61,354,918,235.52
  5. Step 5: Solve for x
    x = 61,354,918,235.52/274,924.32
  6. Step 6: Final answer
    x = 223,170.21

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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.