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Finding the Fourth Proportional to 270,345.78, 373,104.41 and 149,496.21

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Solution

The fourth proportional to 270,345.78, 373,104.41 and 149,496.21 is: 206,319.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,345.78 : 373,104.41 = 149,496.21 : x
  2. Step 2: Convert to fraction form
    270,345.78/373,104.41 = 149,496.21/x
  3. Step 3: Cross multiply
    270,345.78x = 373,104.41 × 149,496.21
  4. Step 4: Simplify right side
    270,345.78x = 55,777,694,481.81
  5. Step 5: Solve for x
    x = 55,777,694,481.81/270,345.78
  6. Step 6: Final answer
    x = 206,319.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.