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Finding the Fourth Proportional to 339,226.88, 509,073.62 and 117,610.88

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Solution

The fourth proportional to 339,226.88, 509,073.62 and 117,610.88 is: 176,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,226.88 : 509,073.62 = 117,610.88 : x
  2. Step 2: Convert to fraction form
    339,226.88/509,073.62 = 117,610.88/x
  3. Step 3: Cross multiply
    339,226.88x = 509,073.62 × 117,610.88
  4. Step 4: Simplify right side
    339,226.88x = 59,872,593,299.56
  5. Step 5: Solve for x
    x = 59,872,593,299.56/339,226.88
  6. Step 6: Final answer
    x = 176,497.20

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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.