Home / 250,173.48-345,207.78-199,315.20

Finding the Fourth Proportional to 250,173.48, 345,207.78 and 199,315.20

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Solution

The fourth proportional to 250,173.48, 345,207.78 and 199,315.20 is: 275,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,173.48 : 345,207.78 = 199,315.20 : x
  2. Step 2: Convert to fraction form
    250,173.48/345,207.78 = 199,315.20/x
  3. Step 3: Cross multiply
    250,173.48x = 345,207.78 × 199,315.20
  4. Step 4: Simplify right side
    250,173.48x = 68,805,157,712.26
  5. Step 5: Solve for x
    x = 68,805,157,712.26/250,173.48
  6. Step 6: Final answer
    x = 275,029.78

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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.