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Finding the Fourth Proportional to 353,648.22, 488,040.77 and 192,507.90

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Solution

The fourth proportional to 353,648.22, 488,040.77 and 192,507.90 is: 265,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,648.22 : 488,040.77 = 192,507.90 : x
  2. Step 2: Convert to fraction form
    353,648.22/488,040.77 = 192,507.90/x
  3. Step 3: Cross multiply
    353,648.22x = 488,040.77 × 192,507.90
  4. Step 4: Simplify right side
    353,648.22x = 93,951,701,306.88
  5. Step 5: Solve for x
    x = 93,951,701,306.88/353,648.22
  6. Step 6: Final answer
    x = 265,664.29

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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.