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Finding the Fourth Proportional to 236,577.90, 325,648.84 and 206,309.82

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Solution

The fourth proportional to 236,577.90, 325,648.84 and 206,309.82 is: 283,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,577.90 : 325,648.84 = 206,309.82 : x
  2. Step 2: Convert to fraction form
    236,577.90/325,648.84 = 206,309.82/x
  3. Step 3: Cross multiply
    236,577.90x = 325,648.84 × 206,309.82
  4. Step 4: Simplify right side
    236,577.90x = 67,184,553,563.61
  5. Step 5: Solve for x
    x = 67,184,553,563.61/236,577.90
  6. Step 6: Final answer
    x = 283,984.91

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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.