Home / 274,754.54-378,280.04-214,247.54

Finding the Fourth Proportional to 274,754.54, 378,280.04 and 214,247.54

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Solution

The fourth proportional to 274,754.54, 378,280.04 and 214,247.54 is: 294,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,754.54 : 378,280.04 = 214,247.54 : x
  2. Step 2: Convert to fraction form
    274,754.54/378,280.04 = 214,247.54/x
  3. Step 3: Cross multiply
    274,754.54x = 378,280.04 × 214,247.54
  4. Step 4: Simplify right side
    274,754.54x = 81,045,568,001.10
  5. Step 5: Solve for x
    x = 81,045,568,001.10/274,754.54
  6. Step 6: Final answer
    x = 294,974.45

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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.