Home / 263,266.20-394,899.30-145,168.20

Finding the Fourth Proportional to 263,266.20, 394,899.30 and 145,168.20

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Solution

The fourth proportional to 263,266.20, 394,899.30 and 145,168.20 is: 217,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,266.20 : 394,899.30 = 145,168.20 : x
  2. Step 2: Convert to fraction form
    263,266.20/394,899.30 = 145,168.20/x
  3. Step 3: Cross multiply
    263,266.20x = 394,899.30 × 145,168.20
  4. Step 4: Simplify right side
    263,266.20x = 57,326,820,562.26
  5. Step 5: Solve for x
    x = 57,326,820,562.26/263,266.20
  6. Step 6: Final answer
    x = 217,752.30

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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.