Home / 275,144.14-379,538.06-173,007.90

Finding the Fourth Proportional to 275,144.14, 379,538.06 and 173,007.90

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Solution

The fourth proportional to 275,144.14, 379,538.06 and 173,007.90 is: 238,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,144.14 : 379,538.06 = 173,007.90 : x
  2. Step 2: Convert to fraction form
    275,144.14/379,538.06 = 173,007.90/x
  3. Step 3: Cross multiply
    275,144.14x = 379,538.06 × 173,007.90
  4. Step 4: Simplify right side
    275,144.14x = 65,663,081,865.63
  5. Step 5: Solve for x
    x = 65,663,081,865.63/275,144.14
  6. Step 6: Final answer
    x = 238,649.75

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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.