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Finding the Fourth Proportional to 349,704.89, 482,587.42 and 196,743.03

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Solution

The fourth proportional to 349,704.89, 482,587.42 and 196,743.03 is: 271,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,704.89 : 482,587.42 = 196,743.03 : x
  2. Step 2: Convert to fraction form
    349,704.89/482,587.42 = 196,743.03/x
  3. Step 3: Cross multiply
    349,704.89x = 482,587.42 × 196,743.03
  4. Step 4: Simplify right side
    349,704.89x = 94,945,709,318.02
  5. Step 5: Solve for x
    x = 94,945,709,318.02/349,704.89
  6. Step 6: Final answer
    x = 271,502.37

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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.