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Finding the Fourth Proportional to 207,606, 311,430.87 and 95,267.10

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Solution

The fourth proportional to 207,606, 311,430.87 and 95,267.10 is: 142,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,606 : 311,430.87 = 95,267.10 : x
  2. Step 2: Convert to fraction form
    207,606/311,430.87 = 95,267.10/x
  3. Step 3: Cross multiply
    207,606x = 311,430.87 × 95,267.10
  4. Step 4: Simplify right side
    207,606x = 29,669,115,835.38
  5. Step 5: Solve for x
    x = 29,669,115,835.38/207,606
  6. Step 6: Final answer
    x = 142,910.69

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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.