Home / 247,961.57-342,224.38-151,221.56

Finding the Fourth Proportional to 247,961.57, 342,224.38 and 151,221.56

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Solution

The fourth proportional to 247,961.57, 342,224.38 and 151,221.56 is: 208,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,961.57 : 342,224.38 = 151,221.56 : x
  2. Step 2: Convert to fraction form
    247,961.57/342,224.38 = 151,221.56/x
  3. Step 3: Cross multiply
    247,961.57x = 342,224.38 × 151,221.56
  4. Step 4: Simplify right side
    247,961.57x = 51,751,702,524.46
  5. Step 5: Solve for x
    x = 51,751,702,524.46/247,961.57
  6. Step 6: Final answer
    x = 208,708.56

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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.