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Finding the Fourth Proportional to 275,189.97, 379,600.90 and 173,053.42

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Solution

The fourth proportional to 275,189.97, 379,600.90 and 173,053.42 is: 238,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,189.97 : 379,600.90 = 173,053.42 : x
  2. Step 2: Convert to fraction form
    275,189.97/379,600.90 = 173,053.42/x
  3. Step 3: Cross multiply
    275,189.97x = 379,600.90 × 173,053.42
  4. Step 4: Simplify right side
    275,189.97x = 65,691,233,980.08
  5. Step 5: Solve for x
    x = 65,691,233,980.08/275,189.97
  6. Step 6: Final answer
    x = 238,712.31

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1.5x scale

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.