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Finding the Fourth Proportional to 286,369.35, 395,232.80 and 206,062.71

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Solution

The fourth proportional to 286,369.35, 395,232.80 and 206,062.71 is: 284,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,369.35 : 395,232.80 = 206,062.71 : x
  2. Step 2: Convert to fraction form
    286,369.35/395,232.80 = 206,062.71/x
  3. Step 3: Cross multiply
    286,369.35x = 395,232.80 × 206,062.71
  4. Step 4: Simplify right side
    286,369.35x = 81,442,741,848.89
  5. Step 5: Solve for x
    x = 81,442,741,848.89/286,369.35
  6. Step 6: Final answer
    x = 284,397.55

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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.