Home / 339,019.11-508,512.15-125,828.52

Finding the Fourth Proportional to 339,019.11, 508,512.15 and 125,828.52

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Solution

The fourth proportional to 339,019.11, 508,512.15 and 125,828.52 is: 188,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,019.11 : 508,512.15 = 125,828.52 : x
  2. Step 2: Convert to fraction form
    339,019.11/508,512.15 = 125,828.52/x
  3. Step 3: Cross multiply
    339,019.11x = 508,512.15 × 125,828.52
  4. Step 4: Simplify right side
    339,019.11x = 63,985,331,236.52
  5. Step 5: Solve for x
    x = 63,985,331,236.52/339,019.11
  6. Step 6: Final answer
    x = 188,736.65

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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.