Home / 290,971.88-436,059.62-219,836.04

Finding the Fourth Proportional to 290,971.88, 436,059.62 and 219,836.04

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Solution

The fourth proportional to 290,971.88, 436,059.62 and 219,836.04 is: 329,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,971.88 : 436,059.62 = 219,836.04 : x
  2. Step 2: Convert to fraction form
    290,971.88/436,059.62 = 219,836.04/x
  3. Step 3: Cross multiply
    290,971.88x = 436,059.62 × 219,836.04
  4. Step 4: Simplify right side
    290,971.88x = 95,861,620,064.70
  5. Step 5: Solve for x
    x = 95,861,620,064.70/290,971.88
  6. Step 6: Final answer
    x = 329,453.21

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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.