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Finding the Fourth Proportional to 230,936.30, 346,231.65 and 125,873.90

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Solution

The fourth proportional to 230,936.30, 346,231.65 and 125,873.90 is: 188,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,936.30 : 346,231.65 = 125,873.90 : x
  2. Step 2: Convert to fraction form
    230,936.30/346,231.65 = 125,873.90/x
  3. Step 3: Cross multiply
    230,936.30x = 346,231.65 × 125,873.90
  4. Step 4: Simplify right side
    230,936.30x = 43,581,528,088.94
  5. Step 5: Solve for x
    x = 43,581,528,088.94/230,936.30
  6. Step 6: Final answer
    x = 188,716.66

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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.