Home / 240,536.97-331,918.49-143,721.56

Finding the Fourth Proportional to 240,536.97, 331,918.49 and 143,721.56

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Solution

The fourth proportional to 240,536.97, 331,918.49 and 143,721.56 is: 198,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,536.97 : 331,918.49 = 143,721.56 : x
  2. Step 2: Convert to fraction form
    240,536.97/331,918.49 = 143,721.56/x
  3. Step 3: Cross multiply
    240,536.97x = 331,918.49 × 143,721.56
  4. Step 4: Simplify right side
    240,536.97x = 47,703,844,364.74
  5. Step 5: Solve for x
    x = 47,703,844,364.74/240,536.97
  6. Step 6: Final answer
    x = 198,322.30

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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.