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Finding the Fourth Proportional to 295,979.92, 443,995.82 and 82,750.16

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Solution

The fourth proportional to 295,979.92, 443,995.82 and 82,750.16 is: 124,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,979.92 : 443,995.82 = 82,750.16 : x
  2. Step 2: Convert to fraction form
    295,979.92/443,995.82 = 82,750.16/x
  3. Step 3: Cross multiply
    295,979.92x = 443,995.82 × 82,750.16
  4. Step 4: Simplify right side
    295,979.92x = 36,740,725,144.33
  5. Step 5: Solve for x
    x = 36,740,725,144.33/295,979.92
  6. Step 6: Final answer
    x = 124,132.49

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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.