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Finding the Fourth Proportional to 247,084.38, 370,695.69 and 80,989.02

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Solution

The fourth proportional to 247,084.38, 370,695.69 and 80,989.02 is: 121,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,084.38 : 370,695.69 = 80,989.02 : x
  2. Step 2: Convert to fraction form
    247,084.38/370,695.69 = 80,989.02/x
  3. Step 3: Cross multiply
    247,084.38x = 370,695.69 × 80,989.02
  4. Step 4: Simplify right side
    247,084.38x = 30,022,280,651.32
  5. Step 5: Solve for x
    x = 30,022,280,651.32/247,084.38
  6. Step 6: Final answer
    x = 121,506.19

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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.