Home / 259,935.22-389,015.73-217,862.80

Finding the Fourth Proportional to 259,935.22, 389,015.73 and 217,862.80

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Solution

The fourth proportional to 259,935.22, 389,015.73 and 217,862.80 is: 326,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,935.22 : 389,015.73 = 217,862.80 : x
  2. Step 2: Convert to fraction form
    259,935.22/389,015.73 = 217,862.80/x
  3. Step 3: Cross multiply
    259,935.22x = 389,015.73 × 217,862.80
  4. Step 4: Simplify right side
    259,935.22x = 84,752,056,181.84
  5. Step 5: Solve for x
    x = 84,752,056,181.84/259,935.22
  6. Step 6: Final answer
    x = 326,050.68

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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.