Home / 274,923.80-379,577.62-211,147.64

Finding the Fourth Proportional to 274,923.80, 379,577.62 and 211,147.64

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Solution

The fourth proportional to 274,923.80, 379,577.62 and 211,147.64 is: 291,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,923.80 : 379,577.62 = 211,147.64 : x
  2. Step 2: Convert to fraction form
    274,923.80/379,577.62 = 211,147.64/x
  3. Step 3: Cross multiply
    274,923.80x = 379,577.62 × 211,147.64
  4. Step 4: Simplify right side
    274,923.80x = 80,146,918,659.82
  5. Step 5: Solve for x
    x = 80,146,918,659.82/274,923.80
  6. Step 6: Final answer
    x = 291,524.12

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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.