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Finding the Fourth Proportional to 199,587.48, 299,222.26 and 115,251.88

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Solution

The fourth proportional to 199,587.48, 299,222.26 and 115,251.88 is: 172,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,587.48 : 299,222.26 = 115,251.88 : x
  2. Step 2: Convert to fraction form
    199,587.48/299,222.26 = 115,251.88/x
  3. Step 3: Cross multiply
    199,587.48x = 299,222.26 × 115,251.88
  4. Step 4: Simplify right side
    199,587.48x = 34,485,928,002.85
  5. Step 5: Solve for x
    x = 34,485,928,002.85/199,587.48
  6. Step 6: Final answer
    x = 172,786.03

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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.