Home / 354,147.04-488,667.45-199,067.64

Finding the Fourth Proportional to 354,147.04, 488,667.45 and 199,067.64

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Solution

The fourth proportional to 354,147.04, 488,667.45 and 199,067.64 is: 274,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,147.04 : 488,667.45 = 199,067.64 : x
  2. Step 2: Convert to fraction form
    354,147.04/488,667.45 = 199,067.64/x
  3. Step 3: Cross multiply
    354,147.04x = 488,667.45 × 199,067.64
  4. Step 4: Simplify right side
    354,147.04x = 97,277,876,016.32
  5. Step 5: Solve for x
    x = 97,277,876,016.32/354,147.04
  6. Step 6: Final answer
    x = 274,682.17

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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.