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Finding the Fourth Proportional to 187,222.80, 280,834.20 and 82,246.80

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Solution

The fourth proportional to 187,222.80, 280,834.20 and 82,246.80 is: 123,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,222.80 : 280,834.20 = 82,246.80 : x
  2. Step 2: Convert to fraction form
    187,222.80/280,834.20 = 82,246.80/x
  3. Step 3: Cross multiply
    187,222.80x = 280,834.20 × 82,246.80
  4. Step 4: Simplify right side
    187,222.80x = 23,097,714,280.56
  5. Step 5: Solve for x
    x = 23,097,714,280.56/187,222.80
  6. Step 6: Final answer
    x = 123,370.20

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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.