Home / 260,876.34-391,236.12-100,924.02

Finding the Fourth Proportional to 260,876.34, 391,236.12 and 100,924.02

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Solution

The fourth proportional to 260,876.34, 391,236.12 and 100,924.02 is: 151,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,876.34 : 391,236.12 = 100,924.02 : x
  2. Step 2: Convert to fraction form
    260,876.34/391,236.12 = 100,924.02/x
  3. Step 3: Cross multiply
    260,876.34x = 391,236.12 × 100,924.02
  4. Step 4: Simplify right side
    260,876.34x = 39,485,121,999.60
  5. Step 5: Solve for x
    x = 39,485,121,999.60/260,876.34
  6. Step 6: Final answer
    x = 151,355.70

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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.