Home / 308,249.32-462,507.66-108,712.36

Finding the Fourth Proportional to 308,249.32, 462,507.66 and 108,712.36

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Solution

The fourth proportional to 308,249.32, 462,507.66 and 108,712.36 is: 163,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,249.32 : 462,507.66 = 108,712.36 : x
  2. Step 2: Convert to fraction form
    308,249.32/462,507.66 = 108,712.36/x
  3. Step 3: Cross multiply
    308,249.32x = 462,507.66 × 108,712.36
  4. Step 4: Simplify right side
    308,249.32x = 50,280,299,236.68
  5. Step 5: Solve for x
    x = 50,280,299,236.68/308,249.32
  6. Step 6: Final answer
    x = 163,115.69

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1.5x scale

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.