Home / 299,986.20-449,979.30-270,955.80

Finding the Fourth Proportional to 299,986.20, 449,979.30 and 270,955.80

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Solution

The fourth proportional to 299,986.20, 449,979.30 and 270,955.80 is: 406,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,986.20 : 449,979.30 = 270,955.80 : x
  2. Step 2: Convert to fraction form
    299,986.20/449,979.30 = 270,955.80/x
  3. Step 3: Cross multiply
    299,986.20x = 449,979.30 × 270,955.80
  4. Step 4: Simplify right side
    299,986.20x = 121,924,501,214.94
  5. Step 5: Solve for x
    x = 121,924,501,214.94/299,986.20
  6. Step 6: Final answer
    x = 406,433.70

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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.