Finding the Fourth Proportional to 220,149.63, 330,271.70 and 68,343.62
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Solution
The fourth proportional to 220,149.63, 330,271.70 and 68,343.62 is: 102,530.09
Step by Step Solution
- Step 1: Write the proportion equation
220,149.63 : 330,271.70 = 68,343.62 : x - Step 2: Convert to fraction form
220,149.63/330,271.70 = 68,343.62/x - Step 3: Cross multiply
220,149.63x = 330,271.70 × 68,343.62 - Step 4: Simplify right side
220,149.63x = 22,571,961,568.48 - Step 5: Solve for x
x = 22,571,961,568.48/220,149.63 - Step 6: Final answer
x = 102,530.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.