Home / 260,936.74-391,281.72-101,087.54

Finding the Fourth Proportional to 260,936.74, 391,281.72 and 101,087.54

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Solution

The fourth proportional to 260,936.74, 391,281.72 and 101,087.54 is: 151,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,936.74 : 391,281.72 = 101,087.54 : x
  2. Step 2: Convert to fraction form
    260,936.74/391,281.72 = 101,087.54/x
  3. Step 3: Cross multiply
    260,936.74x = 391,281.72 × 101,087.54
  4. Step 4: Simplify right side
    260,936.74x = 39,553,706,521.77
  5. Step 5: Solve for x
    x = 39,553,706,521.77/260,936.74
  6. Step 6: Final answer
    x = 151,583.51

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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.