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Finding the Fourth Proportional to 286,367.60, 395,230.38 and 206,060.96

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Solution

The fourth proportional to 286,367.60, 395,230.38 and 206,060.96 is: 284,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,367.60 : 395,230.38 = 206,060.96 : x
  2. Step 2: Convert to fraction form
    286,367.60/395,230.38 = 206,060.96/x
  3. Step 3: Cross multiply
    286,367.60x = 395,230.38 × 206,060.96
  4. Step 4: Simplify right side
    286,367.60x = 81,441,551,523.96
  5. Step 5: Solve for x
    x = 81,441,551,523.96/286,367.60
  6. Step 6: Final answer
    x = 284,395.13

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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.