Finding the Fourth Proportional to 199,097.72, 274,734.88 and 122,604.56
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Solution
The fourth proportional to 199,097.72, 274,734.88 and 122,604.56 is: 169,181.99
Step by Step Solution
- Step 1: Write the proportion equation
199,097.72 : 274,734.88 = 122,604.56 : x - Step 2: Convert to fraction form
199,097.72/274,734.88 = 122,604.56/x - Step 3: Cross multiply
199,097.72x = 274,734.88 × 122,604.56 - Step 4: Simplify right side
199,097.72x = 33,683,749,079.05 - Step 5: Solve for x
x = 33,683,749,079.05/199,097.72 - Step 6: Final answer
x = 169,181.99
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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.