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Finding the Fourth Proportional to 227,148.57, 340,505.94 and 84,955.29

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Solution

The fourth proportional to 227,148.57, 340,505.94 and 84,955.29 is: 127,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,148.57 : 340,505.94 = 84,955.29 : x
  2. Step 2: Convert to fraction form
    227,148.57/340,505.94 = 84,955.29/x
  3. Step 3: Cross multiply
    227,148.57x = 340,505.94 × 84,955.29
  4. Step 4: Simplify right side
    227,148.57x = 28,927,780,879.42
  5. Step 5: Solve for x
    x = 28,927,780,879.42/227,148.57
  6. Step 6: Final answer
    x = 127,351.81

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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.