Finding the Fourth Proportional to 206,807.44, 285,394.41 and 116,163.45
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Solution
The fourth proportional to 206,807.44, 285,394.41 and 116,163.45 is: 160,305.65
Step by Step Solution
- Step 1: Write the proportion equation
206,807.44 : 285,394.41 = 116,163.45 : x - Step 2: Convert to fraction form
206,807.44/285,394.41 = 116,163.45/x - Step 3: Cross multiply
206,807.44x = 285,394.41 × 116,163.45 - Step 4: Simplify right side
206,807.44x = 33,152,399,603.02 - Step 5: Solve for x
x = 33,152,399,603.02/206,807.44 - Step 6: Final answer
x = 160,305.65
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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.