Finding the Fourth Proportional to 206,804.91, 310,473.01 and 159,450.08
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Solution
The fourth proportional to 206,804.91, 310,473.01 and 159,450.08 is: 239,379.94
Step by Step Solution
- Step 1: Write the proportion equation
206,804.91 : 310,473.01 = 159,450.08 : x - Step 2: Convert to fraction form
206,804.91/310,473.01 = 159,450.08/x - Step 3: Cross multiply
206,804.91x = 310,473.01 × 159,450.08 - Step 4: Simplify right side
206,804.91x = 49,504,946,282.34 - Step 5: Solve for x
x = 49,504,946,282.34/206,804.91 - Step 6: Final answer
x = 239,379.94
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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.