Home / 260,834.56-391,104.96-83,299.84

Finding the Fourth Proportional to 260,834.56, 391,104.96 and 83,299.84

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Solution

The fourth proportional to 260,834.56, 391,104.96 and 83,299.84 is: 124,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,834.56 : 391,104.96 = 83,299.84 : x
  2. Step 2: Convert to fraction form
    260,834.56/391,104.96 = 83,299.84/x
  3. Step 3: Cross multiply
    260,834.56x = 391,104.96 × 83,299.84
  4. Step 4: Simplify right side
    260,834.56x = 32,578,980,591.21
  5. Step 5: Solve for x
    x = 32,578,980,591.21/260,834.56
  6. Step 6: Final answer
    x = 124,902.85

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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.