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Finding the Fourth Proportional to 227,741.60, 341,612.40 and 69,969.80

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Solution

The fourth proportional to 227,741.60, 341,612.40 and 69,969.80 is: 104,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,741.60 : 341,612.40 = 69,969.80 : x
  2. Step 2: Convert to fraction form
    227,741.60/341,612.40 = 69,969.80/x
  3. Step 3: Cross multiply
    227,741.60x = 341,612.40 × 69,969.80
  4. Step 4: Simplify right side
    227,741.60x = 23,902,551,305.52
  5. Step 5: Solve for x
    x = 23,902,551,305.52/227,741.60
  6. Step 6: Final answer
    x = 104,954.70

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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.