Home / 263,974.30-395,961.45-260,037.70

Finding the Fourth Proportional to 263,974.30, 395,961.45 and 260,037.70

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Solution

The fourth proportional to 263,974.30, 395,961.45 and 260,037.70 is: 390,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,974.30 : 395,961.45 = 260,037.70 : x
  2. Step 2: Convert to fraction form
    263,974.30/395,961.45 = 260,037.70/x
  3. Step 3: Cross multiply
    263,974.30x = 395,961.45 × 260,037.70
  4. Step 4: Simplify right side
    263,974.30x = 102,964,904,746.67
  5. Step 5: Solve for x
    x = 102,964,904,746.67/263,974.30
  6. Step 6: Final answer
    x = 390,056.55

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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.