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Finding the Fourth Proportional to 200,659.21, 276,912.41 and 110,014.96

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Solution

The fourth proportional to 200,659.21, 276,912.41 and 110,014.96 is: 151,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,659.21 : 276,912.41 = 110,014.96 : x
  2. Step 2: Convert to fraction form
    200,659.21/276,912.41 = 110,014.96/x
  3. Step 3: Cross multiply
    200,659.21x = 276,912.41 × 110,014.96
  4. Step 4: Simplify right side
    200,659.21x = 30,464,507,709.65
  5. Step 5: Solve for x
    x = 30,464,507,709.65/200,659.21
  6. Step 6: Final answer
    x = 151,822.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.