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Finding the Fourth Proportional to 366,800.20, 550,200.30 and 252,638.80

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Solution

The fourth proportional to 366,800.20, 550,200.30 and 252,638.80 is: 378,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,800.20 : 550,200.30 = 252,638.80 : x
  2. Step 2: Convert to fraction form
    366,800.20/550,200.30 = 252,638.80/x
  3. Step 3: Cross multiply
    366,800.20x = 550,200.30 × 252,638.80
  4. Step 4: Simplify right side
    366,800.20x = 139,001,943,551.64
  5. Step 5: Solve for x
    x = 139,001,943,551.64/366,800.20
  6. Step 6: Final answer
    x = 378,958.20

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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.