Home / 259,760.20-389,640.30-175,560.70

Finding the Fourth Proportional to 259,760.20, 389,640.30 and 175,560.70

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Solution

The fourth proportional to 259,760.20, 389,640.30 and 175,560.70 is: 263,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,760.20 : 389,640.30 = 175,560.70 : x
  2. Step 2: Convert to fraction form
    259,760.20/389,640.30 = 175,560.70/x
  3. Step 3: Cross multiply
    259,760.20x = 389,640.30 × 175,560.70
  4. Step 4: Simplify right side
    259,760.20x = 68,405,523,816.21
  5. Step 5: Solve for x
    x = 68,405,523,816.21/259,760.20
  6. Step 6: Final answer
    x = 263,341.05

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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.