Home / 352,067.36-528,132.13-99,350.06

Finding the Fourth Proportional to 352,067.36, 528,132.13 and 99,350.06

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Solution

The fourth proportional to 352,067.36, 528,132.13 and 99,350.06 is: 149,033.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,067.36 : 528,132.13 = 99,350.06 : x
  2. Step 2: Convert to fraction form
    352,067.36/528,132.13 = 99,350.06/x
  3. Step 3: Cross multiply
    352,067.36x = 528,132.13 × 99,350.06
  4. Step 4: Simplify right side
    352,067.36x = 52,469,955,914.39
  5. Step 5: Solve for x
    x = 52,469,955,914.39/352,067.36
  6. Step 6: Final answer
    x = 149,033.86

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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.