Home / 250,248.54-345,311.42-199,390.14

Finding the Fourth Proportional to 250,248.54, 345,311.42 and 199,390.14

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Solution

The fourth proportional to 250,248.54, 345,311.42 and 199,390.14 is: 275,133.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,248.54 : 345,311.42 = 199,390.14 : x
  2. Step 2: Convert to fraction form
    250,248.54/345,311.42 = 199,390.14/x
  3. Step 3: Cross multiply
    250,248.54x = 345,311.42 × 199,390.14
  4. Step 4: Simplify right side
    250,248.54x = 68,851,691,380.45
  5. Step 5: Solve for x
    x = 68,851,691,380.45/250,248.54
  6. Step 6: Final answer
    x = 275,133.24

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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.