Home / 250,908.97-346,320.75-155,361.37

Finding the Fourth Proportional to 250,908.97, 346,320.75 and 155,361.37

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Solution

The fourth proportional to 250,908.97, 346,320.75 and 155,361.37 is: 214,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,908.97 : 346,320.75 = 155,361.37 : x
  2. Step 2: Convert to fraction form
    250,908.97/346,320.75 = 155,361.37/x
  3. Step 3: Cross multiply
    250,908.97x = 346,320.75 × 155,361.37
  4. Step 4: Simplify right side
    250,908.97x = 53,804,866,179.43
  5. Step 5: Solve for x
    x = 53,804,866,179.43/250,908.97
  6. Step 6: Final answer
    x = 214,439.79

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1.5x scale

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.