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Finding the Fourth Proportional to 450,891.10, 676,414.55 and 151,400.58

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Solution

The fourth proportional to 450,891.10, 676,414.55 and 151,400.58 is: 227,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,891.10 : 676,414.55 = 151,400.58 : x
  2. Step 2: Convert to fraction form
    450,891.10/676,414.55 = 151,400.58/x
  3. Step 3: Cross multiply
    450,891.10x = 676,414.55 × 151,400.58
  4. Step 4: Simplify right side
    450,891.10x = 102,409,555,190.44
  5. Step 5: Solve for x
    x = 102,409,555,190.44/450,891.10
  6. Step 6: Final answer
    x = 227,127.03

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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.