Home / 250,720.38-345,759.12-199,902.06

Finding the Fourth Proportional to 250,720.38, 345,759.12 and 199,902.06

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Solution

The fourth proportional to 250,720.38, 345,759.12 and 199,902.06 is: 275,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,720.38 : 345,759.12 = 199,902.06 : x
  2. Step 2: Convert to fraction form
    250,720.38/345,759.12 = 199,902.06/x
  3. Step 3: Cross multiply
    250,720.38x = 345,759.12 × 199,902.06
  4. Step 4: Simplify right side
    250,720.38x = 69,117,960,351.79
  5. Step 5: Solve for x
    x = 69,117,960,351.79/250,720.38
  6. Step 6: Final answer
    x = 275,677.47

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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.