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Finding the Fourth Proportional to 226,803.31, 340,254.23 and 69,027.65

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Solution

The fourth proportional to 226,803.31, 340,254.23 and 69,027.65 is: 103,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,803.31 : 340,254.23 = 69,027.65 : x
  2. Step 2: Convert to fraction form
    226,803.31/340,254.23 = 69,027.65/x
  3. Step 3: Cross multiply
    226,803.31x = 340,254.23 × 69,027.65
  4. Step 4: Simplify right side
    226,803.31x = 23,486,949,899.46
  5. Step 5: Solve for x
    x = 23,486,949,899.46/226,803.31
  6. Step 6: Final answer
    x = 103,556.47

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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.