Home / 274,105.06-378,299.73-153,253.50

Finding the Fourth Proportional to 274,105.06, 378,299.73 and 153,253.50

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Solution

The fourth proportional to 274,105.06, 378,299.73 and 153,253.50 is: 211,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,105.06 : 378,299.73 = 153,253.50 : x
  2. Step 2: Convert to fraction form
    274,105.06/378,299.73 = 153,253.50/x
  3. Step 3: Cross multiply
    274,105.06x = 378,299.73 × 153,253.50
  4. Step 4: Simplify right side
    274,105.06x = 57,975,757,671.56
  5. Step 5: Solve for x
    x = 57,975,757,671.56/274,105.06
  6. Step 6: Final answer
    x = 211,509.26

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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.