Home / 250,743.40-345,956.90-161,371.24

Finding the Fourth Proportional to 250,743.40, 345,956.90 and 161,371.24

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Solution

The fourth proportional to 250,743.40, 345,956.90 and 161,371.24 is: 222,647.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,743.40 : 345,956.90 = 161,371.24 : x
  2. Step 2: Convert to fraction form
    250,743.40/345,956.90 = 161,371.24/x
  3. Step 3: Cross multiply
    250,743.40x = 345,956.90 × 161,371.24
  4. Step 4: Simplify right side
    250,743.40x = 55,827,493,939.56
  5. Step 5: Solve for x
    x = 55,827,493,939.56/250,743.40
  6. Step 6: Final answer
    x = 222,647.91

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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.