Finding the Fourth Proportional to 198,614.82, 274,090.24 and 107,970.96
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Solution
The fourth proportional to 198,614.82, 274,090.24 and 107,970.96 is: 149,000.90
Step by Step Solution
- Step 1: Write the proportion equation
198,614.82 : 274,090.24 = 107,970.96 : x - Step 2: Convert to fraction form
198,614.82/274,090.24 = 107,970.96/x - Step 3: Cross multiply
198,614.82x = 274,090.24 × 107,970.96 - Step 4: Simplify right side
198,614.82x = 29,593,786,339.43 - Step 5: Solve for x
x = 29,593,786,339.43/198,614.82 - Step 6: Final answer
x = 149,000.90
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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.