Home / 609,988.20-914,982.30-189,306.60

Finding the Fourth Proportional to 609,988.20, 914,982.30 and 189,306.60

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Solution

The fourth proportional to 609,988.20, 914,982.30 and 189,306.60 is: 283,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,988.20 : 914,982.30 = 189,306.60 : x
  2. Step 2: Convert to fraction form
    609,988.20/914,982.30 = 189,306.60/x
  3. Step 3: Cross multiply
    609,988.20x = 914,982.30 × 189,306.60
  4. Step 4: Simplify right side
    609,988.20x = 173,212,188,273.18
  5. Step 5: Solve for x
    x = 173,212,188,273.18/609,988.20
  6. Step 6: Final answer
    x = 283,959.90

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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.