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Finding the Fourth Proportional to 286,587.91, 395,534.91 and 206,281.27

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Solution

The fourth proportional to 286,587.91, 395,534.91 and 206,281.27 is: 284,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,587.91 : 395,534.91 = 206,281.27 : x
  2. Step 2: Convert to fraction form
    286,587.91/395,534.91 = 206,281.27/x
  3. Step 3: Cross multiply
    286,587.91x = 395,534.91 × 206,281.27
  4. Step 4: Simplify right side
    286,587.91x = 81,591,443,564.14
  5. Step 5: Solve for x
    x = 81,591,443,564.14/286,587.91
  6. Step 6: Final answer
    x = 284,699.53

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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.