Home / 383,819.40-574,994.70-206,267.40

Finding the Fourth Proportional to 383,819.40, 574,994.70 and 206,267.40

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Solution

The fourth proportional to 383,819.40, 574,994.70 and 206,267.40 is: 309,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,819.40 : 574,994.70 = 206,267.40 : x
  2. Step 2: Convert to fraction form
    383,819.40/574,994.70 = 206,267.40/x
  3. Step 3: Cross multiply
    383,819.40x = 574,994.70 × 206,267.40
  4. Step 4: Simplify right side
    383,819.40x = 118,602,661,782.78
  5. Step 5: Solve for x
    x = 118,602,661,782.78/383,819.40
  6. Step 6: Final answer
    x = 309,006.43

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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.