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Finding the Fourth Proportional to 300,168.36, 450,276.30 and 100,489.59

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Solution

The fourth proportional to 300,168.36, 450,276.30 and 100,489.59 is: 150,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,168.36 : 450,276.30 = 100,489.59 : x
  2. Step 2: Convert to fraction form
    300,168.36/450,276.30 = 100,489.59/x
  3. Step 3: Cross multiply
    300,168.36x = 450,276.30 × 100,489.59
  4. Step 4: Simplify right side
    300,168.36x = 45,248,080,773.72
  5. Step 5: Solve for x
    x = 45,248,080,773.72/300,168.36
  6. Step 6: Final answer
    x = 150,742.34

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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.