Home / 366,942.90-550,414.35-340,370.85

Finding the Fourth Proportional to 366,942.90, 550,414.35 and 340,370.85

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Solution

The fourth proportional to 366,942.90, 550,414.35 and 340,370.85 is: 510,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.90 : 550,414.35 = 340,370.85 : x
  2. Step 2: Convert to fraction form
    366,942.90/550,414.35 = 340,370.85/x
  3. Step 3: Cross multiply
    366,942.90x = 550,414.35 × 340,370.85
  4. Step 4: Simplify right side
    366,942.90x = 187,345,000,161.70
  5. Step 5: Solve for x
    x = 187,345,000,161.70/366,942.90
  6. Step 6: Final answer
    x = 510,556.28

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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.