Home / 484,100.40-668,067.14-269,240.57

Finding the Fourth Proportional to 484,100.40, 668,067.14 and 269,240.57

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Solution

The fourth proportional to 484,100.40, 668,067.14 and 269,240.57 is: 371,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,100.40 : 668,067.14 = 269,240.57 : x
  2. Step 2: Convert to fraction form
    484,100.40/668,067.14 = 269,240.57/x
  3. Step 3: Cross multiply
    484,100.40x = 668,067.14 × 269,240.57
  4. Step 4: Simplify right side
    484,100.40x = 179,870,772,885.33
  5. Step 5: Solve for x
    x = 179,870,772,885.33/484,100.40
  6. Step 6: Final answer
    x = 371,556.75

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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.