Home / 200,409.41-276,567.93-109,773.78

Finding the Fourth Proportional to 200,409.41, 276,567.93 and 109,773.78

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Solution

The fourth proportional to 200,409.41, 276,567.93 and 109,773.78 is: 151,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,409.41 : 276,567.93 = 109,773.78 : x
  2. Step 2: Convert to fraction form
    200,409.41/276,567.93 = 109,773.78/x
  3. Step 3: Cross multiply
    200,409.41x = 276,567.93 × 109,773.78
  4. Step 4: Simplify right side
    200,409.41x = 30,359,907,102.88
  5. Step 5: Solve for x
    x = 30,359,907,102.88/200,409.41
  6. Step 6: Final answer
    x = 151,489.43

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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.