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Finding the Fourth Proportional to 201,236.21, 301,992.72 and 82,907.55

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Solution

The fourth proportional to 201,236.21, 301,992.72 and 82,907.55 is: 124,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,236.21 : 301,992.72 = 82,907.55 : x
  2. Step 2: Convert to fraction form
    201,236.21/301,992.72 = 82,907.55/x
  3. Step 3: Cross multiply
    201,236.21x = 301,992.72 × 82,907.55
  4. Step 4: Simplify right side
    201,236.21x = 25,037,476,533.04
  5. Step 5: Solve for x
    x = 25,037,476,533.04/201,236.21
  6. Step 6: Final answer
    x = 124,418.35

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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.