Home / 339,771.29-509,338.63-114,974.35

Finding the Fourth Proportional to 339,771.29, 509,338.63 and 114,974.35

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Solution

The fourth proportional to 339,771.29, 509,338.63 and 114,974.35 is: 172,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,771.29 : 509,338.63 = 114,974.35 : x
  2. Step 2: Convert to fraction form
    339,771.29/509,338.63 = 114,974.35/x
  3. Step 3: Cross multiply
    339,771.29x = 509,338.63 × 114,974.35
  4. Step 4: Simplify right side
    339,771.29x = 58,560,877,500.77
  5. Step 5: Solve for x
    x = 58,560,877,500.77/339,771.29
  6. Step 6: Final answer
    x = 172,353.81

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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.