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Finding the Fourth Proportional to 353,625.31, 488,013.87 and 192,491.20

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Solution

The fourth proportional to 353,625.31, 488,013.87 and 192,491.20 is: 265,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,625.31 : 488,013.87 = 192,491.20 : x
  2. Step 2: Convert to fraction form
    353,625.31/488,013.87 = 192,491.20/x
  3. Step 3: Cross multiply
    353,625.31x = 488,013.87 × 192,491.20
  4. Step 4: Simplify right side
    353,625.31x = 93,938,375,452.94
  5. Step 5: Solve for x
    x = 93,938,375,452.94/353,625.31
  6. Step 6: Final answer
    x = 265,643.81

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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.