Home / 269,103.60-371,335.05-165,721.35

Finding the Fourth Proportional to 269,103.60, 371,335.05 and 165,721.35

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Solution

The fourth proportional to 269,103.60, 371,335.05 and 165,721.35 is: 228,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,103.60 : 371,335.05 = 165,721.35 : x
  2. Step 2: Convert to fraction form
    269,103.60/371,335.05 = 165,721.35/x
  3. Step 3: Cross multiply
    269,103.60x = 371,335.05 × 165,721.35
  4. Step 4: Simplify right side
    269,103.60x = 61,538,145,788.32
  5. Step 5: Solve for x
    x = 61,538,145,788.32/269,103.60
  6. Step 6: Final answer
    x = 228,678.27

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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.