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Finding the Fourth Proportional to 349,190.61, 481,847.08 and 196,204.47

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Solution

The fourth proportional to 349,190.61, 481,847.08 and 196,204.47 is: 270,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,190.61 : 481,847.08 = 196,204.47 : x
  2. Step 2: Convert to fraction form
    349,190.61/481,847.08 = 196,204.47/x
  3. Step 3: Cross multiply
    349,190.61x = 481,847.08 × 196,204.47
  4. Step 4: Simplify right side
    349,190.61x = 94,540,550,952.45
  5. Step 5: Solve for x
    x = 94,540,550,952.45/349,190.61
  6. Step 6: Final answer
    x = 270,741.96

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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.