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Finding the Fourth Proportional to 235,105.23, 352,700.22 and 85,555.44

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Solution

The fourth proportional to 235,105.23, 352,700.22 and 85,555.44 is: 128,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,105.23 : 352,700.22 = 85,555.44 : x
  2. Step 2: Convert to fraction form
    235,105.23/352,700.22 = 85,555.44/x
  3. Step 3: Cross multiply
    235,105.23x = 352,700.22 × 85,555.44
  4. Step 4: Simplify right side
    235,105.23x = 30,175,422,831.03
  5. Step 5: Solve for x
    x = 30,175,422,831.03/235,105.23
  6. Step 6: Final answer
    x = 128,348.58

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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.