Home / 353,979.45-488,489.25-192,834.60

Finding the Fourth Proportional to 353,979.45, 488,489.25 and 192,834.60

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Solution

The fourth proportional to 353,979.45, 488,489.25 and 192,834.60 is: 266,110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,979.45 : 488,489.25 = 192,834.60 : x
  2. Step 2: Convert to fraction form
    353,979.45/488,489.25 = 192,834.60/x
  3. Step 3: Cross multiply
    353,979.45x = 488,489.25 × 192,834.60
  4. Step 4: Simplify right side
    353,979.45x = 94,197,629,128.05
  5. Step 5: Solve for x
    x = 94,197,629,128.05/353,979.45
  6. Step 6: Final answer
    x = 266,110.45

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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.