Home / 467,349.24-644,942.25-252,489.21

Finding the Fourth Proportional to 467,349.24, 644,942.25 and 252,489.21

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Solution

The fourth proportional to 467,349.24, 644,942.25 and 252,489.21 is: 348,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,349.24 : 644,942.25 = 252,489.21 : x
  2. Step 2: Convert to fraction form
    467,349.24/644,942.25 = 252,489.21/x
  3. Step 3: Cross multiply
    467,349.24x = 644,942.25 × 252,489.21
  4. Step 4: Simplify right side
    467,349.24x = 162,840,959,198.12
  5. Step 5: Solve for x
    x = 162,840,959,198.12/467,349.24
  6. Step 6: Final answer
    x = 348,435.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.