Home / 263,317.20-394,975.80-210,829.20

Finding the Fourth Proportional to 263,317.20, 394,975.80 and 210,829.20

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Solution

The fourth proportional to 263,317.20, 394,975.80 and 210,829.20 is: 316,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,317.20 : 394,975.80 = 210,829.20 : x
  2. Step 2: Convert to fraction form
    263,317.20/394,975.80 = 210,829.20/x
  3. Step 3: Cross multiply
    263,317.20x = 394,975.80 × 210,829.20
  4. Step 4: Simplify right side
    263,317.20x = 83,272,431,933.36
  5. Step 5: Solve for x
    x = 83,272,431,933.36/263,317.20
  6. Step 6: Final answer
    x = 316,243.80

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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.