Home / 229,979.92-344,972.94-72,208.39

Finding the Fourth Proportional to 229,979.92, 344,972.94 and 72,208.39

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Solution

The fourth proportional to 229,979.92, 344,972.94 and 72,208.39 is: 108,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,979.92 : 344,972.94 = 72,208.39 : x
  2. Step 2: Convert to fraction form
    229,979.92/344,972.94 = 72,208.39/x
  3. Step 3: Cross multiply
    229,979.92x = 344,972.94 × 72,208.39
  4. Step 4: Simplify right side
    229,979.92x = 24,909,940,590.97
  5. Step 5: Solve for x
    x = 24,909,940,590.97/229,979.92
  6. Step 6: Final answer
    x = 108,313.55

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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.