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Finding the Fourth Proportional to 353,876.50, 488,342.28 and 192,734.38

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Solution

The fourth proportional to 353,876.50, 488,342.28 and 192,734.38 is: 265,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,876.50 : 488,342.28 = 192,734.38 : x
  2. Step 2: Convert to fraction form
    353,876.50/488,342.28 = 192,734.38/x
  3. Step 3: Cross multiply
    353,876.50x = 488,342.28 × 192,734.38
  4. Step 4: Simplify right side
    353,876.50x = 94,120,346,563.59
  5. Step 5: Solve for x
    x = 94,120,346,563.59/353,876.50
  6. Step 6: Final answer
    x = 265,969.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.