Finding the Fourth Proportional to 160,343.91, 221,274.99 and 88,728.84
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Solution
The fourth proportional to 160,343.91, 221,274.99 and 88,728.84 is: 122,446.02
Step by Step Solution
- Step 1: Write the proportion equation
160,343.91 : 221,274.99 = 88,728.84 : x - Step 2: Convert to fraction form
160,343.91/221,274.99 = 88,728.84/x - Step 3: Cross multiply
160,343.91x = 221,274.99 × 88,728.84 - Step 4: Simplify right side
160,343.91x = 19,633,473,183.71 - Step 5: Solve for x
x = 19,633,473,183.71/160,343.91 - Step 6: Final answer
x = 122,446.02
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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.