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Finding the Fourth Proportional to 400,412.43, 600,200.19 and 133,953.75

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Solution

The fourth proportional to 400,412.43, 600,200.19 and 133,953.75 is: 200,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,412.43 : 600,200.19 = 133,953.75 : x
  2. Step 2: Convert to fraction form
    400,412.43/600,200.19 = 133,953.75/x
  3. Step 3: Cross multiply
    400,412.43x = 600,200.19 × 133,953.75
  4. Step 4: Simplify right side
    400,412.43x = 80,399,066,201.21
  5. Step 5: Solve for x
    x = 80,399,066,201.21/400,412.43
  6. Step 6: Final answer
    x = 200,790.64

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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.