Finding the Fourth Proportional to 206,035.62, 284,373.09 and 121,201.08
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Solution
The fourth proportional to 206,035.62, 284,373.09 and 121,201.08 is: 167,283.33
Step by Step Solution
- Step 1: Write the proportion equation
206,035.62 : 284,373.09 = 121,201.08 : x - Step 2: Convert to fraction form
206,035.62/284,373.09 = 121,201.08/x - Step 3: Cross multiply
206,035.62x = 284,373.09 × 121,201.08 - Step 4: Simplify right side
206,035.62x = 34,466,325,630.94 - Step 5: Solve for x
x = 34,466,325,630.94/206,035.62 - Step 6: Final answer
x = 167,283.33
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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.