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Finding the Fourth Proportional to 353,249.25, 487,483.97 and 202,355.97

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Solution

The fourth proportional to 353,249.25, 487,483.97 and 202,355.97 is: 279,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,249.25 : 487,483.97 = 202,355.97 : x
  2. Step 2: Convert to fraction form
    353,249.25/487,483.97 = 202,355.97/x
  3. Step 3: Cross multiply
    353,249.25x = 487,483.97 × 202,355.97
  4. Step 4: Simplify right side
    353,249.25x = 98,645,290,597.02
  5. Step 5: Solve for x
    x = 98,645,290,597.02/353,249.25
  6. Step 6: Final answer
    x = 279,251.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.