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Finding the Fourth Proportional to 488,736.42, 733,219.38 and 151,759.68

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Solution

The fourth proportional to 488,736.42, 733,219.38 and 151,759.68 is: 227,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,736.42 : 733,219.38 = 151,759.68 : x
  2. Step 2: Convert to fraction form
    488,736.42/733,219.38 = 151,759.68/x
  3. Step 3: Cross multiply
    488,736.42x = 733,219.38 × 151,759.68
  4. Step 4: Simplify right side
    488,736.42x = 111,273,138,478.60
  5. Step 5: Solve for x
    x = 111,273,138,478.60/488,736.42
  6. Step 6: Final answer
    x = 227,675.15

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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.