Home / 261,736.92-392,619.96-84,230.28

Finding the Fourth Proportional to 261,736.92, 392,619.96 and 84,230.28

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Solution

The fourth proportional to 261,736.92, 392,619.96 and 84,230.28 is: 126,350.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,736.92 : 392,619.96 = 84,230.28 : x
  2. Step 2: Convert to fraction form
    261,736.92/392,619.96 = 84,230.28/x
  3. Step 3: Cross multiply
    261,736.92x = 392,619.96 × 84,230.28
  4. Step 4: Simplify right side
    261,736.92x = 33,070,489,164.39
  5. Step 5: Solve for x
    x = 33,070,489,164.39/261,736.92
  6. Step 6: Final answer
    x = 126,350.11

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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.