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Finding the Fourth Proportional to 227,040.96, 340,548.75 and 69,257.01

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Solution

The fourth proportional to 227,040.96, 340,548.75 and 69,257.01 is: 103,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,040.96 : 340,548.75 = 69,257.01 : x
  2. Step 2: Convert to fraction form
    227,040.96/340,548.75 = 69,257.01/x
  3. Step 3: Cross multiply
    227,040.96x = 340,548.75 × 69,257.01
  4. Step 4: Simplify right side
    227,040.96x = 23,585,388,184.24
  5. Step 5: Solve for x
    x = 23,585,388,184.24/227,040.96
  6. Step 6: Final answer
    x = 103,881.64

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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.