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Finding the Fourth Proportional to 358,764.58, 494,563.62 and 229,684.60

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Solution

The fourth proportional to 358,764.58, 494,563.62 and 229,684.60 is: 316,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,764.58 : 494,563.62 = 229,684.60 : x
  2. Step 2: Convert to fraction form
    358,764.58/494,563.62 = 229,684.60/x
  3. Step 3: Cross multiply
    358,764.58x = 494,563.62 × 229,684.60
  4. Step 4: Simplify right side
    358,764.58x = 113,593,647,234.25
  5. Step 5: Solve for x
    x = 113,593,647,234.25/358,764.58
  6. Step 6: Final answer
    x = 316,624.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.