Home / 274,076.88-378,231.38-153,226.91

Finding the Fourth Proportional to 274,076.88, 378,231.38 and 153,226.91

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Solution

The fourth proportional to 274,076.88, 378,231.38 and 153,226.91 is: 211,456.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,076.88 : 378,231.38 = 153,226.91 : x
  2. Step 2: Convert to fraction form
    274,076.88/378,231.38 = 153,226.91/x
  3. Step 3: Cross multiply
    274,076.88x = 378,231.38 × 153,226.91
  4. Step 4: Simplify right side
    274,076.88x = 57,955,222,965.14
  5. Step 5: Solve for x
    x = 57,955,222,965.14/274,076.88
  6. Step 6: Final answer
    x = 211,456.08

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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.