Home / 260,747.91-391,297.17-92,267.58

Finding the Fourth Proportional to 260,747.91, 391,297.17 and 92,267.58

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Solution

The fourth proportional to 260,747.91, 391,297.17 and 92,267.58 is: 138,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,747.91 : 391,297.17 = 92,267.58 : x
  2. Step 2: Convert to fraction form
    260,747.91/391,297.17 = 92,267.58/x
  3. Step 3: Cross multiply
    260,747.91x = 391,297.17 × 92,267.58
  4. Step 4: Simplify right side
    260,747.91x = 36,104,042,936.75
  5. Step 5: Solve for x
    x = 36,104,042,936.75/260,747.91
  6. Step 6: Final answer
    x = 138,463.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.