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Finding the Fourth Proportional to 227,281.05, 340,866.90 and 69,510.87

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Solution

The fourth proportional to 227,281.05, 340,866.90 and 69,510.87 is: 104,249.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,281.05 : 340,866.90 = 69,510.87 : x
  2. Step 2: Convert to fraction form
    227,281.05/340,866.90 = 69,510.87/x
  3. Step 3: Cross multiply
    227,281.05x = 340,866.90 × 69,510.87
  4. Step 4: Simplify right side
    227,281.05x = 23,693,954,773.20
  5. Step 5: Solve for x
    x = 23,693,954,773.20/227,281.05
  6. Step 6: Final answer
    x = 104,249.58

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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.