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Finding the Fourth Proportional to 235,272.60, 352,908.90 and 199,843.20

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Solution

The fourth proportional to 235,272.60, 352,908.90 and 199,843.20 is: 299,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,272.60 : 352,908.90 = 199,843.20 : x
  2. Step 2: Convert to fraction form
    235,272.60/352,908.90 = 199,843.20/x
  3. Step 3: Cross multiply
    235,272.60x = 352,908.90 × 199,843.20
  4. Step 4: Simplify right side
    235,272.60x = 70,526,443,884.48
  5. Step 5: Solve for x
    x = 70,526,443,884.48/235,272.60
  6. Step 6: Final answer
    x = 299,764.80

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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.