Home / 204,010.80-306,016.20-189,265.20

Finding the Fourth Proportional to 204,010.80, 306,016.20 and 189,265.20

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Solution

The fourth proportional to 204,010.80, 306,016.20 and 189,265.20 is: 283,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,010.80 : 306,016.20 = 189,265.20 : x
  2. Step 2: Convert to fraction form
    204,010.80/306,016.20 = 189,265.20/x
  3. Step 3: Cross multiply
    204,010.80x = 306,016.20 × 189,265.20
  4. Step 4: Simplify right side
    204,010.80x = 57,918,217,296.24
  5. Step 5: Solve for x
    x = 57,918,217,296.24/204,010.80
  6. Step 6: Final answer
    x = 283,897.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.