Home / 274,749.48-412,183.40-85,206.02

Finding the Fourth Proportional to 274,749.48, 412,183.40 and 85,206.02

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Solution

The fourth proportional to 274,749.48, 412,183.40 and 85,206.02 is: 127,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,749.48 : 412,183.40 = 85,206.02 : x
  2. Step 2: Convert to fraction form
    274,749.48/412,183.40 = 85,206.02/x
  3. Step 3: Cross multiply
    274,749.48x = 412,183.40 × 85,206.02
  4. Step 4: Simplify right side
    274,749.48x = 35,120,504,537.12
  5. Step 5: Solve for x
    x = 35,120,504,537.12/274,749.48
  6. Step 6: Final answer
    x = 127,827.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.