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Finding the Fourth Proportional to 322,095, 483,228.18 and 111,732.60

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Solution

The fourth proportional to 322,095, 483,228.18 and 111,732.60 is: 167,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,095 : 483,228.18 = 111,732.60 : x
  2. Step 2: Convert to fraction form
    322,095/483,228.18 = 111,732.60/x
  3. Step 3: Cross multiply
    322,095x = 483,228.18 × 111,732.60
  4. Step 4: Simplify right side
    322,095x = 53,992,340,944.67
  5. Step 5: Solve for x
    x = 53,992,340,944.67/322,095
  6. Step 6: Final answer
    x = 167,628.62

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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.