Home / 325,917.60-489,067.08-136,362.07

Finding the Fourth Proportional to 325,917.60, 489,067.08 and 136,362.07

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Solution

The fourth proportional to 325,917.60, 489,067.08 and 136,362.07 is: 204,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,917.60 : 489,067.08 = 136,362.07 : x
  2. Step 2: Convert to fraction form
    325,917.60/489,067.08 = 136,362.07/x
  3. Step 3: Cross multiply
    325,917.60x = 489,067.08 × 136,362.07
  4. Step 4: Simplify right side
    325,917.60x = 66,690,199,397.66
  5. Step 5: Solve for x
    x = 66,690,199,397.66/325,917.60
  6. Step 6: Final answer
    x = 204,622.88

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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.