Home / 339,934.46-509,963.24-140,143.64

Finding the Fourth Proportional to 339,934.46, 509,963.24 and 140,143.64

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Solution

The fourth proportional to 339,934.46, 509,963.24 and 140,143.64 is: 210,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,934.46 : 509,963.24 = 140,143.64 : x
  2. Step 2: Convert to fraction form
    339,934.46/509,963.24 = 140,143.64/x
  3. Step 3: Cross multiply
    339,934.46x = 509,963.24 × 140,143.64
  4. Step 4: Simplify right side
    339,934.46x = 71,468,102,520.34
  5. Step 5: Solve for x
    x = 71,468,102,520.34/339,934.46
  6. Step 6: Final answer
    x = 210,240.83

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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.