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Finding the Fourth Proportional to 354,072.87, 488,620.61 and 192,927.96

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Solution

The fourth proportional to 354,072.87, 488,620.61 and 192,927.96 is: 266,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,072.87 : 488,620.61 = 192,927.96 : x
  2. Step 2: Convert to fraction form
    354,072.87/488,620.61 = 192,927.96/x
  3. Step 3: Cross multiply
    354,072.87x = 488,620.61 × 192,927.96
  4. Step 4: Simplify right side
    354,072.87x = 94,268,577,501.26
  5. Step 5: Solve for x
    x = 94,268,577,501.26/354,072.87
  6. Step 6: Final answer
    x = 266,240.61

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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.