Home / 354,146.12-488,707.39-192,997.73

Finding the Fourth Proportional to 354,146.12, 488,707.39 and 192,997.73

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Solution

The fourth proportional to 354,146.12, 488,707.39 and 192,997.73 is: 266,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,146.12 : 488,707.39 = 192,997.73 : x
  2. Step 2: Convert to fraction form
    354,146.12/488,707.39 = 192,997.73/x
  3. Step 3: Cross multiply
    354,146.12x = 488,707.39 × 192,997.73
  4. Step 4: Simplify right side
    354,146.12x = 94,319,416,904.22
  5. Step 5: Solve for x
    x = 94,319,416,904.22/354,146.12
  6. Step 6: Final answer
    x = 266,329.10

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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.