Home / 300,221.18-450,337.24-100,504.34

Finding the Fourth Proportional to 300,221.18, 450,337.24 and 100,504.34

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Solution

The fourth proportional to 300,221.18, 450,337.24 and 100,504.34 is: 150,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,221.18 : 450,337.24 = 100,504.34 : x
  2. Step 2: Convert to fraction form
    300,221.18/450,337.24 = 100,504.34/x
  3. Step 3: Cross multiply
    300,221.18x = 450,337.24 × 100,504.34
  4. Step 4: Simplify right side
    300,221.18x = 45,260,847,083.62
  5. Step 5: Solve for x
    x = 45,260,847,083.62/300,221.18
  6. Step 6: Final answer
    x = 150,758.34

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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.