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Finding the Fourth Proportional to 200,525.90, 300,745.65 and 88,205.90

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Solution

The fourth proportional to 200,525.90, 300,745.65 and 88,205.90 is: 132,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,525.90 : 300,745.65 = 88,205.90 : x
  2. Step 2: Convert to fraction form
    200,525.90/300,745.65 = 88,205.90/x
  3. Step 3: Cross multiply
    200,525.90x = 300,745.65 × 88,205.90
  4. Step 4: Simplify right side
    200,525.90x = 26,527,540,729.34
  5. Step 5: Solve for x
    x = 26,527,540,729.34/200,525.90
  6. Step 6: Final answer
    x = 132,289.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.