Finding the Fourth Proportional to 206,395.76, 284,857.29 and 125,869.99
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Solution
The fourth proportional to 206,395.76, 284,857.29 and 125,869.99 is: 173,719.58
Step by Step Solution
- Step 1: Write the proportion equation
206,395.76 : 284,857.29 = 125,869.99 : x - Step 2: Convert to fraction form
206,395.76/284,857.29 = 125,869.99/x - Step 3: Cross multiply
206,395.76x = 284,857.29 × 125,869.99 - Step 4: Simplify right side
206,395.76x = 35,854,984,243.73 - Step 5: Solve for x
x = 35,854,984,243.73/206,395.76 - Step 6: Final answer
x = 173,719.58
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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.