Home / 339,441.46-508,967.07-139,899.58

Finding the Fourth Proportional to 339,441.46, 508,967.07 and 139,899.58

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Solution

The fourth proportional to 339,441.46, 508,967.07 and 139,899.58 is: 209,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,441.46 : 508,967.07 = 139,899.58 : x
  2. Step 2: Convert to fraction form
    339,441.46/508,967.07 = 139,899.58/x
  3. Step 3: Cross multiply
    339,441.46x = 508,967.07 × 139,899.58
  4. Step 4: Simplify right side
    339,441.46x = 71,204,279,326.83
  5. Step 5: Solve for x
    x = 71,204,279,326.83/339,441.46
  6. Step 6: Final answer
    x = 209,768.95

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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.