Finding the Fourth Proportional to 296,891.12, 445,102.44 and 147,182.96
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Solution
The fourth proportional to 296,891.12, 445,102.44 and 147,182.96 is: 220,658.32
Step by Step Solution
- Step 1: Write the proportion equation
296,891.12 : 445,102.44 = 147,182.96 : x - Step 2: Convert to fraction form
296,891.12/445,102.44 = 147,182.96/x - Step 3: Cross multiply
296,891.12x = 445,102.44 × 147,182.96 - Step 4: Simplify right side
296,891.12x = 65,511,494,622.42 - Step 5: Solve for x
x = 65,511,494,622.42/296,891.12 - Step 6: Final answer
x = 220,658.32
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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.