Home / 353,721.72-488,145.42-192,583.56

Finding the Fourth Proportional to 353,721.72, 488,145.42 and 192,583.56

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Solution

The fourth proportional to 353,721.72, 488,145.42 and 192,583.56 is: 265,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,721.72 : 488,145.42 = 192,583.56 : x
  2. Step 2: Convert to fraction form
    353,721.72/488,145.42 = 192,583.56/x
  3. Step 3: Cross multiply
    353,721.72x = 488,145.42 × 192,583.56
  4. Step 4: Simplify right side
    353,721.72x = 94,008,782,781.30
  5. Step 5: Solve for x
    x = 94,008,782,781.30/353,721.72
  6. Step 6: Final answer
    x = 265,770.46

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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.