Home / 230,819.32-346,267.26-81,020.76

Finding the Fourth Proportional to 230,819.32, 346,267.26 and 81,020.76

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Solution

The fourth proportional to 230,819.32, 346,267.26 and 81,020.76 is: 121,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,819.32 : 346,267.26 = 81,020.76 : x
  2. Step 2: Convert to fraction form
    230,819.32/346,267.26 = 81,020.76/x
  3. Step 3: Cross multiply
    230,819.32x = 346,267.26 × 81,020.76
  4. Step 4: Simplify right side
    230,819.32x = 28,054,836,568.32
  5. Step 5: Solve for x
    x = 28,054,836,568.32/230,819.32
  6. Step 6: Final answer
    x = 121,544.58

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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.