Home / 309,898.20-464,069.70-204,144.60

Finding the Fourth Proportional to 309,898.20, 464,069.70 and 204,144.60

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Solution

The fourth proportional to 309,898.20, 464,069.70 and 204,144.60 is: 305,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,898.20 : 464,069.70 = 204,144.60 : x
  2. Step 2: Convert to fraction form
    309,898.20/464,069.70 = 204,144.60/x
  3. Step 3: Cross multiply
    309,898.20x = 464,069.70 × 204,144.60
  4. Step 4: Simplify right side
    309,898.20x = 94,737,323,278.62
  5. Step 5: Solve for x
    x = 94,737,323,278.62/309,898.20
  6. Step 6: Final answer
    x = 305,704.66

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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.