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Finding the Fourth Proportional to 300,873.30, 451,200.60 and 101,200.20

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Solution

The fourth proportional to 300,873.30, 451,200.60 and 101,200.20 is: 151,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,873.30 : 451,200.60 = 101,200.20 : x
  2. Step 2: Convert to fraction form
    300,873.30/451,200.60 = 101,200.20/x
  3. Step 3: Cross multiply
    300,873.30x = 451,200.60 × 101,200.20
  4. Step 4: Simplify right side
    300,873.30x = 45,661,590,960.12
  5. Step 5: Solve for x
    x = 45,661,590,960.12/300,873.30
  6. Step 6: Final answer
    x = 151,763.52

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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.