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Finding the Fourth Proportional to 365,009.62, 548,486.43 and 196,659.22

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Solution

The fourth proportional to 365,009.62, 548,486.43 and 196,659.22 is: 295,512.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,009.62 : 548,486.43 = 196,659.22 : x
  2. Step 2: Convert to fraction form
    365,009.62/548,486.43 = 196,659.22/x
  3. Step 3: Cross multiply
    365,009.62x = 548,486.43 × 196,659.22
  4. Step 4: Simplify right side
    365,009.62x = 107,864,913,504.39
  5. Step 5: Solve for x
    x = 107,864,913,504.39/365,009.62
  6. Step 6: Final answer
    x = 295,512.52

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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.