Home / 259,686.94-389,588.76-82,204.60

Finding the Fourth Proportional to 259,686.94, 389,588.76 and 82,204.60

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Solution

The fourth proportional to 259,686.94, 389,588.76 and 82,204.60 is: 123,325.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,686.94 : 389,588.76 = 82,204.60 : x
  2. Step 2: Convert to fraction form
    259,686.94/389,588.76 = 82,204.60/x
  3. Step 3: Cross multiply
    259,686.94x = 389,588.76 × 82,204.60
  4. Step 4: Simplify right side
    259,686.94x = 32,025,988,180.30
  5. Step 5: Solve for x
    x = 32,025,988,180.30/259,686.94
  6. Step 6: Final answer
    x = 123,325.37

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1.5x scale

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.