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Finding the Fourth Proportional to 300,164.40, 450,100.80 and 166,903.20

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Solution

The fourth proportional to 300,164.40, 450,100.80 and 166,903.20 is: 250,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,164.40 : 450,100.80 = 166,903.20 : x
  2. Step 2: Convert to fraction form
    300,164.40/450,100.80 = 166,903.20/x
  3. Step 3: Cross multiply
    300,164.40x = 450,100.80 × 166,903.20
  4. Step 4: Simplify right side
    300,164.40x = 75,123,263,842.56
  5. Step 5: Solve for x
    x = 75,123,263,842.56/300,164.40
  6. Step 6: Final answer
    x = 250,273.73

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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.