Home / 355,540.14-533,310.24-142,404.84

Finding the Fourth Proportional to 355,540.14, 533,310.24 and 142,404.84

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Solution

The fourth proportional to 355,540.14, 533,310.24 and 142,404.84 is: 213,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,540.14 : 533,310.24 = 142,404.84 : x
  2. Step 2: Convert to fraction form
    355,540.14/533,310.24 = 142,404.84/x
  3. Step 3: Cross multiply
    355,540.14x = 533,310.24 × 142,404.84
  4. Step 4: Simplify right side
    355,540.14x = 75,945,959,397.56
  5. Step 5: Solve for x
    x = 75,945,959,397.56/355,540.14
  6. Step 6: Final answer
    x = 213,607.27

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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.