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Finding the Fourth Proportional to 321,961.93, 482,942.93 and 111,599.87

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Solution

The fourth proportional to 321,961.93, 482,942.93 and 111,599.87 is: 167,399.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,961.93 : 482,942.93 = 111,599.87 : x
  2. Step 2: Convert to fraction form
    321,961.93/482,942.93 = 111,599.87/x
  3. Step 3: Cross multiply
    321,961.93x = 482,942.93 × 111,599.87
  4. Step 4: Simplify right side
    321,961.93x = 53,896,365,232.71
  5. Step 5: Solve for x
    x = 53,896,365,232.71/321,961.93
  6. Step 6: Final answer
    x = 167,399.81

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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.