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Finding the Fourth Proportional to 300,177.81, 450,290.37 and 100,499.04

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Solution

The fourth proportional to 300,177.81, 450,290.37 and 100,499.04 is: 150,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,177.81 : 450,290.37 = 100,499.04 : x
  2. Step 2: Convert to fraction form
    300,177.81/450,290.37 = 100,499.04/x
  3. Step 3: Cross multiply
    300,177.81x = 450,290.37 × 100,499.04
  4. Step 4: Simplify right side
    300,177.81x = 45,253,749,906.24
  5. Step 5: Solve for x
    x = 45,253,749,906.24/300,177.81
  6. Step 6: Final answer
    x = 150,756.48

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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.