Home / 383,821.40-574,997.70-206,269.40

Finding the Fourth Proportional to 383,821.40, 574,997.70 and 206,269.40

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Solution

The fourth proportional to 383,821.40, 574,997.70 and 206,269.40 is: 309,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,821.40 : 574,997.70 = 206,269.40 : x
  2. Step 2: Convert to fraction form
    383,821.40/574,997.70 = 206,269.40/x
  3. Step 3: Cross multiply
    383,821.40x = 574,997.70 × 206,269.40
  4. Step 4: Simplify right side
    383,821.40x = 118,604,430,580.38
  5. Step 5: Solve for x
    x = 118,604,430,580.38/383,821.40
  6. Step 6: Final answer
    x = 309,009.43

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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.