Finding the Fourth Proportional to 206,350.05, 284,881.05 and 157,862.64
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Solution
The fourth proportional to 206,350.05, 284,881.05 and 157,862.64 is: 217,940.70
Step by Step Solution
- Step 1: Write the proportion equation
206,350.05 : 284,881.05 = 157,862.64 : x - Step 2: Convert to fraction form
206,350.05/284,881.05 = 157,862.64/x - Step 3: Cross multiply
206,350.05x = 284,881.05 × 157,862.64 - Step 4: Simplify right side
206,350.05x = 44,972,074,638.97 - Step 5: Solve for x
x = 44,972,074,638.97/206,350.05 - Step 6: Final answer
x = 217,940.70
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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.