Finding the Fourth Proportional to 206,787.44, 285,346.50 and 116,122.79
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Solution
The fourth proportional to 206,787.44, 285,346.50 and 116,122.79 is: 160,238.12
Step by Step Solution
- Step 1: Write the proportion equation
206,787.44 : 285,346.50 = 116,122.79 : x - Step 2: Convert to fraction form
206,787.44/285,346.50 = 116,122.79/x - Step 3: Cross multiply
206,787.44x = 285,346.50 × 116,122.79 - Step 4: Simplify right side
206,787.44x = 33,135,230,270.00 - Step 5: Solve for x
x = 33,135,230,270.00/206,787.44 - Step 6: Final answer
x = 160,238.12
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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.