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Finding the Fourth Proportional to 227,037, 340,030.62 and 219,163.80

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Solution

The fourth proportional to 227,037, 340,030.62 and 219,163.80 is: 328,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,037 : 340,030.62 = 219,163.80 : x
  2. Step 2: Convert to fraction form
    227,037/340,030.62 = 219,163.80/x
  3. Step 3: Cross multiply
    227,037x = 340,030.62 × 219,163.80
  4. Step 4: Simplify right side
    227,037x = 74,522,402,795.56
  5. Step 5: Solve for x
    x = 74,522,402,795.56/227,037
  6. Step 6: Final answer
    x = 328,239.02

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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.