Finding the Fourth Proportional to 206,951.19, 285,616.33 and 115,079.65
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Solution
The fourth proportional to 206,951.19, 285,616.33 and 115,079.65 is: 158,823.08
Step by Step Solution
- Step 1: Write the proportion equation
206,951.19 : 285,616.33 = 115,079.65 : x - Step 2: Convert to fraction form
206,951.19/285,616.33 = 115,079.65/x - Step 3: Cross multiply
206,951.19x = 285,616.33 × 115,079.65 - Step 4: Simplify right side
206,951.19x = 32,868,626,001.25 - Step 5: Solve for x
x = 32,868,626,001.25/206,951.19 - Step 6: Final answer
x = 158,823.08
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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.