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Finding the Fourth Proportional to 262,299.53, 393,470.98 and 110,540.52

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Solution

The fourth proportional to 262,299.53, 393,470.98 and 110,540.52 is: 165,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,299.53 : 393,470.98 = 110,540.52 : x
  2. Step 2: Convert to fraction form
    262,299.53/393,470.98 = 110,540.52/x
  3. Step 3: Cross multiply
    262,299.53x = 393,470.98 × 110,540.52
  4. Step 4: Simplify right side
    262,299.53x = 43,494,486,457.76
  5. Step 5: Solve for x
    x = 43,494,486,457.76/262,299.53
  6. Step 6: Final answer
    x = 165,819.92

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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.