Finding the Fourth Proportional to 209,620.44, 289,266.68 and 114,126.96
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Solution
The fourth proportional to 209,620.44, 289,266.68 and 114,126.96 is: 157,490.02
Step by Step Solution
- Step 1: Write the proportion equation
209,620.44 : 289,266.68 = 114,126.96 : x - Step 2: Convert to fraction form
209,620.44/289,266.68 = 114,126.96/x - Step 3: Cross multiply
209,620.44x = 289,266.68 × 114,126.96 - Step 4: Simplify right side
209,620.44x = 33,013,126,817.69 - Step 5: Solve for x
x = 33,013,126,817.69/209,620.44 - Step 6: Final answer
x = 157,490.02
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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.