Home / 259,682.32-389,684.76-166,255.12

Finding the Fourth Proportional to 259,682.32, 389,684.76 and 166,255.12

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Solution

The fourth proportional to 259,682.32, 389,684.76 and 166,255.12 is: 249,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,682.32 : 389,684.76 = 166,255.12 : x
  2. Step 2: Convert to fraction form
    259,682.32/389,684.76 = 166,255.12/x
  3. Step 3: Cross multiply
    259,682.32x = 389,684.76 × 166,255.12
  4. Step 4: Simplify right side
    259,682.32x = 64,787,086,535.97
  5. Step 5: Solve for x
    x = 64,787,086,535.97/259,682.32
  6. Step 6: Final answer
    x = 249,485.94

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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.