Home / 250,698.28-345,982.62-143,272.84

Finding the Fourth Proportional to 250,698.28, 345,982.62 and 143,272.84

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Solution

The fourth proportional to 250,698.28, 345,982.62 and 143,272.84 is: 197,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,698.28 : 345,982.62 = 143,272.84 : x
  2. Step 2: Convert to fraction form
    250,698.28/345,982.62 = 143,272.84/x
  3. Step 3: Cross multiply
    250,698.28x = 345,982.62 × 143,272.84
  4. Step 4: Simplify right side
    250,698.28x = 49,569,912,558.04
  5. Step 5: Solve for x
    x = 49,569,912,558.04/250,698.28
  6. Step 6: Final answer
    x = 197,727.37

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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.