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Finding the Fourth Proportional to 286,282.44, 395,081.82 and 158,969.88

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Solution

The fourth proportional to 286,282.44, 395,081.82 and 158,969.88 is: 219,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,282.44 : 395,081.82 = 158,969.88 : x
  2. Step 2: Convert to fraction form
    286,282.44/395,081.82 = 158,969.88/x
  3. Step 3: Cross multiply
    286,282.44x = 395,081.82 × 158,969.88
  4. Step 4: Simplify right side
    286,282.44x = 62,806,109,515.58
  5. Step 5: Solve for x
    x = 62,806,109,515.58/286,282.44
  6. Step 6: Final answer
    x = 219,385.13

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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.