Finding the Fourth Proportional to 216,872.24, 299,274.12 and 126,230.96
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Solution
The fourth proportional to 216,872.24, 299,274.12 and 126,230.96 is: 174,193.15
Step by Step Solution
- Step 1: Write the proportion equation
216,872.24 : 299,274.12 = 126,230.96 : x - Step 2: Convert to fraction form
216,872.24/299,274.12 = 126,230.96/x - Step 3: Cross multiply
216,872.24x = 299,274.12 × 126,230.96 - Step 4: Simplify right side
216,872.24x = 37,777,659,470.76 - Step 5: Solve for x
x = 37,777,659,470.76/216,872.24 - Step 6: Final answer
x = 174,193.15
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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.