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Finding the Fourth Proportional to 339,942.70, 510,306.90 and 182,478.70

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Solution

The fourth proportional to 339,942.70, 510,306.90 and 182,478.70 is: 273,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,942.70 : 510,306.90 = 182,478.70 : x
  2. Step 2: Convert to fraction form
    339,942.70/510,306.90 = 182,478.70/x
  3. Step 3: Cross multiply
    339,942.70x = 510,306.90 × 182,478.70
  4. Step 4: Simplify right side
    339,942.70x = 93,120,139,713.03
  5. Step 5: Solve for x
    x = 93,120,139,713.03/339,942.70
  6. Step 6: Final answer
    x = 273,928.93

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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.