Home / 320,791.39-442,712.66-184,822.88

Finding the Fourth Proportional to 320,791.39, 442,712.66 and 184,822.88

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Solution

The fourth proportional to 320,791.39, 442,712.66 and 184,822.88 is: 255,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,791.39 : 442,712.66 = 184,822.88 : x
  2. Step 2: Convert to fraction form
    320,791.39/442,712.66 = 184,822.88/x
  3. Step 3: Cross multiply
    320,791.39x = 442,712.66 × 184,822.88
  4. Step 4: Simplify right side
    320,791.39x = 81,823,425,695.98
  5. Step 5: Solve for x
    x = 81,823,425,695.98/320,791.39
  6. Step 6: Final answer
    x = 255,067.40

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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.