Home / 274,795.72-379,273.35-187,813.06

Finding the Fourth Proportional to 274,795.72, 379,273.35 and 187,813.06

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Solution

The fourth proportional to 274,795.72, 379,273.35 and 187,813.06 is: 259,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,795.72 : 379,273.35 = 187,813.06 : x
  2. Step 2: Convert to fraction form
    274,795.72/379,273.35 = 187,813.06/x
  3. Step 3: Cross multiply
    274,795.72x = 379,273.35 × 187,813.06
  4. Step 4: Simplify right side
    274,795.72x = 71,232,488,439.95
  5. Step 5: Solve for x
    x = 71,232,488,439.95/274,795.72
  6. Step 6: Final answer
    x = 259,219.79

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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.