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Finding the Fourth Proportional to 446,959.20, 669,855.60 and 180,501.60

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Solution

The fourth proportional to 446,959.20, 669,855.60 and 180,501.60 is: 270,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,959.20 : 669,855.60 = 180,501.60 : x
  2. Step 2: Convert to fraction form
    446,959.20/669,855.60 = 180,501.60/x
  3. Step 3: Cross multiply
    446,959.20x = 669,855.60 × 180,501.60
  4. Step 4: Simplify right side
    446,959.20x = 120,910,007,568.96
  5. Step 5: Solve for x
    x = 120,910,007,568.96/446,959.20
  6. Step 6: Final answer
    x = 270,516.88

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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.