Home / 263,140.20-394,710.30-210,652.20

Finding the Fourth Proportional to 263,140.20, 394,710.30 and 210,652.20

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Solution

The fourth proportional to 263,140.20, 394,710.30 and 210,652.20 is: 315,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,140.20 : 394,710.30 = 210,652.20 : x
  2. Step 2: Convert to fraction form
    263,140.20/394,710.30 = 210,652.20/x
  3. Step 3: Cross multiply
    263,140.20x = 394,710.30 × 210,652.20
  4. Step 4: Simplify right side
    263,140.20x = 83,146,593,057.66
  5. Step 5: Solve for x
    x = 83,146,593,057.66/263,140.20
  6. Step 6: Final answer
    x = 315,978.30

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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.