Finding the Fourth Proportional to 163,318.14, 245,072.43 and 68,540.31
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Solution
The fourth proportional to 163,318.14, 245,072.43 and 68,540.31 is: 102,850.43
Step by Step Solution
- Step 1: Write the proportion equation
163,318.14 : 245,072.43 = 68,540.31 : x - Step 2: Convert to fraction form
163,318.14/245,072.43 = 68,540.31/x - Step 3: Cross multiply
163,318.14x = 245,072.43 × 68,540.31 - Step 4: Simplify right side
163,318.14x = 16,797,340,324.65 - Step 5: Solve for x
x = 16,797,340,324.65/163,318.14 - Step 6: Final answer
x = 102,850.43
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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.