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Finding the Fourth Proportional to 207,481.27, 285,979.95 and 146,974.27

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Solution

The fourth proportional to 207,481.27, 285,979.95 and 146,974.27 is: 202,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,481.27 : 285,979.95 = 146,974.27 : x
  2. Step 2: Convert to fraction form
    207,481.27/285,979.95 = 146,974.27/x
  3. Step 3: Cross multiply
    207,481.27x = 285,979.95 × 146,974.27
  4. Step 4: Simplify right side
    207,481.27x = 42,031,694,385.89
  5. Step 5: Solve for x
    x = 42,031,694,385.89/207,481.27
  6. Step 6: Final answer
    x = 202,580.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.