Home / 275,007.94-379,534.17-154,147.30

Finding the Fourth Proportional to 275,007.94, 379,534.17 and 154,147.30

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Solution

The fourth proportional to 275,007.94, 379,534.17 and 154,147.30 is: 212,736.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,007.94 : 379,534.17 = 154,147.30 : x
  2. Step 2: Convert to fraction form
    275,007.94/379,534.17 = 154,147.30/x
  3. Step 3: Cross multiply
    275,007.94x = 379,534.17 × 154,147.30
  4. Step 4: Simplify right side
    275,007.94x = 58,504,167,563.24
  5. Step 5: Solve for x
    x = 58,504,167,563.24/275,007.94
  6. Step 6: Final answer
    x = 212,736.29

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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.