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Finding the Fourth Proportional to 244,401.55, 366,630.01 and 219,287.30

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Solution

The fourth proportional to 244,401.55, 366,630.01 and 219,287.30 is: 328,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,401.55 : 366,630.01 = 219,287.30 : x
  2. Step 2: Convert to fraction form
    244,401.55/366,630.01 = 219,287.30/x
  3. Step 3: Cross multiply
    244,401.55x = 366,630.01 × 219,287.30
  4. Step 4: Simplify right side
    244,401.55x = 80,397,302,610.50
  5. Step 5: Solve for x
    x = 80,397,302,610.50/244,401.55
  6. Step 6: Final answer
    x = 328,955.78

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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.