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Finding the Fourth Proportional to 654,254.64, 981,380.73 and 205,009.95

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Solution

The fourth proportional to 654,254.64, 981,380.73 and 205,009.95 is: 307,514.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,254.64 : 981,380.73 = 205,009.95 : x
  2. Step 2: Convert to fraction form
    654,254.64/981,380.73 = 205,009.95/x
  3. Step 3: Cross multiply
    654,254.64x = 981,380.73 × 205,009.95
  4. Step 4: Simplify right side
    654,254.64x = 201,192,814,388.26
  5. Step 5: Solve for x
    x = 201,192,814,388.26/654,254.64
  6. Step 6: Final answer
    x = 307,514.54

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Similar ratio
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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.