Finding the Fourth Proportional to 209,730.44, 289,428.46 and 114,236.84
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Solution
The fourth proportional to 209,730.44, 289,428.46 and 114,236.84 is: 157,647.09
Step by Step Solution
- Step 1: Write the proportion equation
209,730.44 : 289,428.46 = 114,236.84 : x - Step 2: Convert to fraction form
209,730.44/289,428.46 = 114,236.84/x - Step 3: Cross multiply
209,730.44x = 289,428.46 × 114,236.84 - Step 4: Simplify right side
209,730.44x = 33,063,392,676.47 - Step 5: Solve for x
x = 33,063,392,676.47/209,730.44 - Step 6: Final answer
x = 157,647.09
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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.