Home / 352,321.15-528,387.40-99,542.22

Finding the Fourth Proportional to 352,321.15, 528,387.40 and 99,542.22

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Solution

The fourth proportional to 352,321.15, 528,387.40 and 99,542.22 is: 149,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,321.15 : 528,387.40 = 99,542.22 : x
  2. Step 2: Convert to fraction form
    352,321.15/528,387.40 = 99,542.22/x
  3. Step 3: Cross multiply
    352,321.15x = 528,387.40 × 99,542.22
  4. Step 4: Simplify right side
    352,321.15x = 52,596,854,816.03
  5. Step 5: Solve for x
    x = 52,596,854,816.03/352,321.15
  6. Step 6: Final answer
    x = 149,286.68

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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.