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Finding the Fourth Proportional to 339,180.30, 508,770.45 and 162,033.30

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Solution

The fourth proportional to 339,180.30, 508,770.45 and 162,033.30 is: 243,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,180.30 : 508,770.45 = 162,033.30 : x
  2. Step 2: Convert to fraction form
    339,180.30/508,770.45 = 162,033.30/x
  3. Step 3: Cross multiply
    339,180.30x = 508,770.45 × 162,033.30
  4. Step 4: Simplify right side
    339,180.30x = 82,437,754,955.99
  5. Step 5: Solve for x
    x = 82,437,754,955.99/339,180.30
  6. Step 6: Final answer
    x = 243,049.95

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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.