Home / 339,288.51-468,275.73-196,131.54

Finding the Fourth Proportional to 339,288.51, 468,275.73 and 196,131.54

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Solution

The fourth proportional to 339,288.51, 468,275.73 and 196,131.54 is: 270,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,288.51 : 468,275.73 = 196,131.54 : x
  2. Step 2: Convert to fraction form
    339,288.51/468,275.73 = 196,131.54/x
  3. Step 3: Cross multiply
    339,288.51x = 468,275.73 × 196,131.54
  4. Step 4: Simplify right side
    339,288.51x = 91,843,637,728.15
  5. Step 5: Solve for x
    x = 91,843,637,728.15/339,288.51
  6. Step 6: Final answer
    x = 270,694.81

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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.