Home / 263,141.16-394,652.21-120,849.64

Finding the Fourth Proportional to 263,141.16, 394,652.21 and 120,849.64

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Solution

The fourth proportional to 263,141.16, 394,652.21 and 120,849.64 is: 181,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,141.16 : 394,652.21 = 120,849.64 : x
  2. Step 2: Convert to fraction form
    263,141.16/394,652.21 = 120,849.64/x
  3. Step 3: Cross multiply
    263,141.16x = 394,652.21 × 120,849.64
  4. Step 4: Simplify right side
    263,141.16x = 47,693,576,830.27
  5. Step 5: Solve for x
    x = 47,693,576,830.27/263,141.16
  6. Step 6: Final answer
    x = 181,247.12

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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.