Home / 274,918.88-379,381.82-160,190.38

Finding the Fourth Proportional to 274,918.88, 379,381.82 and 160,190.38

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Solution

The fourth proportional to 274,918.88, 379,381.82 and 160,190.38 is: 221,059.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,918.88 : 379,381.82 = 160,190.38 : x
  2. Step 2: Convert to fraction form
    274,918.88/379,381.82 = 160,190.38/x
  3. Step 3: Cross multiply
    274,918.88x = 379,381.82 × 160,190.38
  4. Step 4: Simplify right side
    274,918.88x = 60,773,316,013.98
  5. Step 5: Solve for x
    x = 60,773,316,013.98/274,918.88
  6. Step 6: Final answer
    x = 221,059.09

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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.