Home / 260,770.47-391,094.33-71,185.77

Finding the Fourth Proportional to 260,770.47, 391,094.33 and 71,185.77

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Solution

The fourth proportional to 260,770.47, 391,094.33 and 71,185.77 is: 106,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,770.47 : 391,094.33 = 71,185.77 : x
  2. Step 2: Convert to fraction form
    260,770.47/391,094.33 = 71,185.77/x
  3. Step 3: Cross multiply
    260,770.47x = 391,094.33 × 71,185.77
  4. Step 4: Simplify right side
    260,770.47x = 27,840,351,068.18
  5. Step 5: Solve for x
    x = 27,840,351,068.18/260,770.47
  6. Step 6: Final answer
    x = 106,761.90

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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.