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Finding the Fourth Proportional to 259,995.91, 358,447.39 and 206,458.15

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Solution

The fourth proportional to 259,995.91, 358,447.39 and 206,458.15 is: 284,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,995.91 : 358,447.39 = 206,458.15 : x
  2. Step 2: Convert to fraction form
    259,995.91/358,447.39 = 206,458.15/x
  3. Step 3: Cross multiply
    259,995.91x = 358,447.39 × 206,458.15
  4. Step 4: Simplify right side
    259,995.91x = 74,004,385,011.73
  5. Step 5: Solve for x
    x = 74,004,385,011.73/259,995.91
  6. Step 6: Final answer
    x = 284,636.73

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1.5x scale

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.