Home / 339,576.31-509,437.97-102,936.83

Finding the Fourth Proportional to 339,576.31, 509,437.97 and 102,936.83

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Solution

The fourth proportional to 339,576.31, 509,437.97 and 102,936.83 is: 154,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,576.31 : 509,437.97 = 102,936.83 : x
  2. Step 2: Convert to fraction form
    339,576.31/509,437.97 = 102,936.83/x
  3. Step 3: Cross multiply
    339,576.31x = 509,437.97 × 102,936.83
  4. Step 4: Simplify right side
    339,576.31x = 52,439,929,903.16
  5. Step 5: Solve for x
    x = 52,439,929,903.16/339,576.31
  6. Step 6: Final answer
    x = 154,427.53

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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.