Home / 231,866.24-348,152.52-220,448.69

Finding the Fourth Proportional to 231,866.24, 348,152.52 and 220,448.69

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Solution

The fourth proportional to 231,866.24, 348,152.52 and 220,448.69 is: 331,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,866.24 : 348,152.52 = 220,448.69 : x
  2. Step 2: Convert to fraction form
    231,866.24/348,152.52 = 220,448.69/x
  3. Step 3: Cross multiply
    231,866.24x = 348,152.52 × 220,448.69
  4. Step 4: Simplify right side
    231,866.24x = 76,749,765,213.44
  5. Step 5: Solve for x
    x = 76,749,765,213.44/231,866.24
  6. Step 6: Final answer
    x = 331,008.80

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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.