Finding the Fourth Proportional to 199,161.40, 274,827.18 and 114,260.44
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Solution
The fourth proportional to 199,161.40, 274,827.18 and 114,260.44 is: 157,670.48
Step by Step Solution
- Step 1: Write the proportion equation
199,161.40 : 274,827.18 = 114,260.44 : x - Step 2: Convert to fraction form
199,161.40/274,827.18 = 114,260.44/x - Step 3: Cross multiply
199,161.40x = 274,827.18 × 114,260.44 - Step 4: Simplify right side
199,161.40x = 31,401,874,510.76 - Step 5: Solve for x
x = 31,401,874,510.76/199,161.40 - Step 6: Final answer
x = 157,670.48
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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.