Home / 339,764.66-509,650.06-103,107.33

Finding the Fourth Proportional to 339,764.66, 509,650.06 and 103,107.33

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Solution

The fourth proportional to 339,764.66, 509,650.06 and 103,107.33 is: 154,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,764.66 : 509,650.06 = 103,107.33 : x
  2. Step 2: Convert to fraction form
    339,764.66/509,650.06 = 103,107.33/x
  3. Step 3: Cross multiply
    339,764.66x = 509,650.06 × 103,107.33
  4. Step 4: Simplify right side
    339,764.66x = 52,548,656,856.50
  5. Step 5: Solve for x
    x = 52,548,656,856.50/339,764.66
  6. Step 6: Final answer
    x = 154,661.93

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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.