Home / 339,238.08-508,799.52-89,945.28

Finding the Fourth Proportional to 339,238.08, 508,799.52 and 89,945.28

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Solution

The fourth proportional to 339,238.08, 508,799.52 and 89,945.28 is: 134,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,238.08 : 508,799.52 = 89,945.28 : x
  2. Step 2: Convert to fraction form
    339,238.08/508,799.52 = 89,945.28/x
  3. Step 3: Cross multiply
    339,238.08x = 508,799.52 × 89,945.28
  4. Step 4: Simplify right side
    339,238.08x = 45,764,115,290.27
  5. Step 5: Solve for x
    x = 45,764,115,290.27/339,238.08
  6. Step 6: Final answer
    x = 134,902.65

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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.