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Finding the Fourth Proportional to 321,807.02, 482,790.11 and 227,222.52

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Solution

The fourth proportional to 321,807.02, 482,790.11 and 227,222.52 is: 340,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,807.02 : 482,790.11 = 227,222.52 : x
  2. Step 2: Convert to fraction form
    321,807.02/482,790.11 = 227,222.52/x
  3. Step 3: Cross multiply
    321,807.02x = 482,790.11 × 227,222.52
  4. Step 4: Simplify right side
    321,807.02x = 109,700,784,289.17
  5. Step 5: Solve for x
    x = 109,700,784,289.17/321,807.02
  6. Step 6: Final answer
    x = 340,889.97

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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.