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Finding the Fourth Proportional to 241,696.87, 362,452.15 and 91,858.21

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Solution

The fourth proportional to 241,696.87, 362,452.15 and 91,858.21 is: 137,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,696.87 : 362,452.15 = 91,858.21 : x
  2. Step 2: Convert to fraction form
    241,696.87/362,452.15 = 91,858.21/x
  3. Step 3: Cross multiply
    241,696.87x = 362,452.15 × 91,858.21
  4. Step 4: Simplify right side
    241,696.87x = 33,294,205,709.65
  5. Step 5: Solve for x
    x = 33,294,205,709.65/241,696.87
  6. Step 6: Final answer
    x = 137,751.91

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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.