Home / 291,224.48-402,013.79-195,786.54

Finding the Fourth Proportional to 291,224.48, 402,013.79 and 195,786.54

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Solution

The fourth proportional to 291,224.48, 402,013.79 and 195,786.54 is: 270,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,224.48 : 402,013.79 = 195,786.54 : x
  2. Step 2: Convert to fraction form
    291,224.48/402,013.79 = 195,786.54/x
  3. Step 3: Cross multiply
    291,224.48x = 402,013.79 × 195,786.54
  4. Step 4: Simplify right side
    291,224.48x = 78,708,887,997.45
  5. Step 5: Solve for x
    x = 78,708,887,997.45/291,224.48
  6. Step 6: Final answer
    x = 270,268.80

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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.