Home / 339,828.24-509,709.46-103,172.97

Finding the Fourth Proportional to 339,828.24, 509,709.46 and 103,172.97

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Solution

The fourth proportional to 339,828.24, 509,709.46 and 103,172.97 is: 154,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,828.24 : 509,709.46 = 103,172.97 : x
  2. Step 2: Convert to fraction form
    339,828.24/509,709.46 = 103,172.97/x
  3. Step 3: Cross multiply
    339,828.24x = 509,709.46 × 103,172.97
  4. Step 4: Simplify right side
    339,828.24x = 52,588,238,825.30
  5. Step 5: Solve for x
    x = 52,588,238,825.30/339,828.24
  6. Step 6: Final answer
    x = 154,749.47

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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.