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Finding the Fourth Proportional to 300,676.78, 450,387.56 and 180,352.14

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Solution

The fourth proportional to 300,676.78, 450,387.56 and 180,352.14 is: 270,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,676.78 : 450,387.56 = 180,352.14 : x
  2. Step 2: Convert to fraction form
    300,676.78/450,387.56 = 180,352.14/x
  3. Step 3: Cross multiply
    300,676.78x = 450,387.56 × 180,352.14
  4. Step 4: Simplify right side
    300,676.78x = 81,228,357,121.68
  5. Step 5: Solve for x
    x = 81,228,357,121.68/300,676.78
  6. Step 6: Final answer
    x = 270,151.75

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1.5x scale

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.