Home / 333,932.31-500,899.49-81,212.85

Finding the Fourth Proportional to 333,932.31, 500,899.49 and 81,212.85

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Solution

The fourth proportional to 333,932.31, 500,899.49 and 81,212.85 is: 121,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,932.31 : 500,899.49 = 81,212.85 : x
  2. Step 2: Convert to fraction form
    333,932.31/500,899.49 = 81,212.85/x
  3. Step 3: Cross multiply
    333,932.31x = 500,899.49 × 81,212.85
  4. Step 4: Simplify right side
    333,932.31x = 40,679,475,146.45
  5. Step 5: Solve for x
    x = 40,679,475,146.45/333,932.31
  6. Step 6: Final answer
    x = 121,819.52

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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.