Home / 354,144.12-488,704.63-192,995.73

Finding the Fourth Proportional to 354,144.12, 488,704.63 and 192,995.73

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Solution

The fourth proportional to 354,144.12, 488,704.63 and 192,995.73 is: 266,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,144.12 : 488,704.63 = 192,995.73 : x
  2. Step 2: Convert to fraction form
    354,144.12/488,704.63 = 192,995.73/x
  3. Step 3: Cross multiply
    354,144.12x = 488,704.63 × 192,995.73
  4. Step 4: Simplify right side
    354,144.12x = 94,317,906,821.23
  5. Step 5: Solve for x
    x = 94,317,906,821.23/354,144.12
  6. Step 6: Final answer
    x = 266,326.34

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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.