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Finding the Fourth Proportional to 339,875.38, 509,826.03 and 126,696.34

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Solution

The fourth proportional to 339,875.38, 509,826.03 and 126,696.34 is: 190,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,875.38 : 509,826.03 = 126,696.34 : x
  2. Step 2: Convert to fraction form
    339,875.38/509,826.03 = 126,696.34/x
  3. Step 3: Cross multiply
    339,875.38x = 509,826.03 × 126,696.34
  4. Step 4: Simplify right side
    339,875.38x = 64,593,092,037.73
  5. Step 5: Solve for x
    x = 64,593,092,037.73/339,875.38
  6. Step 6: Final answer
    x = 190,049.34

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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.