Home / 299,265.10-449,116.35-210,691.60

Finding the Fourth Proportional to 299,265.10, 449,116.35 and 210,691.60

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Solution

The fourth proportional to 299,265.10, 449,116.35 and 210,691.60 is: 316,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,265.10 : 449,116.35 = 210,691.60 : x
  2. Step 2: Convert to fraction form
    299,265.10/449,116.35 = 210,691.60/x
  3. Step 3: Cross multiply
    299,265.10x = 449,116.35 × 210,691.60
  4. Step 4: Simplify right side
    299,265.10x = 94,625,042,367.66
  5. Step 5: Solve for x
    x = 94,625,042,367.66/299,265.10
  6. Step 6: Final answer
    x = 316,191.37

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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.