Home / 274,150.32-378,309.84-153,301.56

Finding the Fourth Proportional to 274,150.32, 378,309.84 and 153,301.56

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Solution

The fourth proportional to 274,150.32, 378,309.84 and 153,301.56 is: 211,546.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,150.32 : 378,309.84 = 153,301.56 : x
  2. Step 2: Convert to fraction form
    274,150.32/378,309.84 = 153,301.56/x
  3. Step 3: Cross multiply
    274,150.32x = 378,309.84 × 153,301.56
  4. Step 4: Simplify right side
    274,150.32x = 57,995,488,635.35
  5. Step 5: Solve for x
    x = 57,995,488,635.35/274,150.32
  6. Step 6: Final answer
    x = 211,546.31

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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.