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Finding the Fourth Proportional to 436,955.24, 603,288.24 and 273,856.88

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Solution

The fourth proportional to 436,955.24, 603,288.24 and 273,856.88 is: 378,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,955.24 : 603,288.24 = 273,856.88 : x
  2. Step 2: Convert to fraction form
    436,955.24/603,288.24 = 273,856.88/x
  3. Step 3: Cross multiply
    436,955.24x = 603,288.24 × 273,856.88
  4. Step 4: Simplify right side
    436,955.24x = 165,214,635,147.09
  5. Step 5: Solve for x
    x = 165,214,635,147.09/436,955.24
  6. Step 6: Final answer
    x = 378,104.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.