Home / 274,934.98-379,404.07-160,206.45

Finding the Fourth Proportional to 274,934.98, 379,404.07 and 160,206.45

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Solution

The fourth proportional to 274,934.98, 379,404.07 and 160,206.45 is: 221,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,934.98 : 379,404.07 = 160,206.45 : x
  2. Step 2: Convert to fraction form
    274,934.98/379,404.07 = 160,206.45/x
  3. Step 3: Cross multiply
    274,934.98x = 379,404.07 × 160,206.45
  4. Step 4: Simplify right side
    274,934.98x = 60,782,979,170.25
  5. Step 5: Solve for x
    x = 60,782,979,170.25/274,934.98
  6. Step 6: Final answer
    x = 221,081.29

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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.