Home / 202,380.10-303,570.15-102,847.30

Finding the Fourth Proportional to 202,380.10, 303,570.15 and 102,847.30

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Solution

The fourth proportional to 202,380.10, 303,570.15 and 102,847.30 is: 154,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,380.10 : 303,570.15 = 102,847.30 : x
  2. Step 2: Convert to fraction form
    202,380.10/303,570.15 = 102,847.30/x
  3. Step 3: Cross multiply
    202,380.10x = 303,570.15 × 102,847.30
  4. Step 4: Simplify right side
    202,380.10x = 31,221,370,288.10
  5. Step 5: Solve for x
    x = 31,221,370,288.10/202,380.10
  6. Step 6: Final answer
    x = 154,270.95

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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.