Finding the Fourth Proportional to 189,512.03, 284,063.93 and 100,676.09
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Solution
The fourth proportional to 189,512.03, 284,063.93 and 100,676.09 is: 150,905.70
Step by Step Solution
- Step 1: Write the proportion equation
189,512.03 : 284,063.93 = 100,676.09 : x - Step 2: Convert to fraction form
189,512.03/284,063.93 = 100,676.09/x - Step 3: Cross multiply
189,512.03x = 284,063.93 × 100,676.09 - Step 4: Simplify right side
189,512.03x = 28,598,446,366.75 - Step 5: Solve for x
x = 28,598,446,366.75/189,512.03 - Step 6: Final answer
x = 150,905.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.