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Finding the Fourth Proportional to 349,182.57, 481,880.50 and 196,211.59

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Solution

The fourth proportional to 349,182.57, 481,880.50 and 196,211.59 is: 270,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,182.57 : 481,880.50 = 196,211.59 : x
  2. Step 2: Convert to fraction form
    349,182.57/481,880.50 = 196,211.59/x
  3. Step 3: Cross multiply
    349,182.57x = 481,880.50 × 196,211.59
  4. Step 4: Simplify right side
    349,182.57x = 94,550,536,195.06
  5. Step 5: Solve for x
    x = 94,550,536,195.06/349,182.57
  6. Step 6: Final answer
    x = 270,776.80

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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.