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Finding the Fourth Proportional to 300,179.31, 450,292.62 and 100,500.54

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Solution

The fourth proportional to 300,179.31, 450,292.62 and 100,500.54 is: 150,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,179.31 : 450,292.62 = 100,500.54 : x
  2. Step 2: Convert to fraction form
    300,179.31/450,292.62 = 100,500.54/x
  3. Step 3: Cross multiply
    300,179.31x = 450,292.62 × 100,500.54
  4. Step 4: Simplify right side
    300,179.31x = 45,254,651,468.01
  5. Step 5: Solve for x
    x = 45,254,651,468.01/300,179.31
  6. Step 6: Final answer
    x = 150,758.73

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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.