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Finding the Fourth Proportional to 353,761.78, 488,200 and 192,625.64

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Solution

The fourth proportional to 353,761.78, 488,200 and 192,625.64 is: 265,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,761.78 : 488,200 = 192,625.64 : x
  2. Step 2: Convert to fraction form
    353,761.78/488,200 = 192,625.64/x
  3. Step 3: Cross multiply
    353,761.78x = 488,200 × 192,625.64
  4. Step 4: Simplify right side
    353,761.78x = 94,039,837,448
  5. Step 5: Solve for x
    x = 94,039,837,448/353,761.78
  6. Step 6: Final answer
    x = 265,828.14

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1.5x scale

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.