Finding the Fourth Proportional to 440,902.44, 660,231.81 and 290,687.00
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Solution
The fourth proportional to 440,902.44, 660,231.81 and 290,687.00 is: 435,290.86
Step by Step Solution
- Step 1: Write the proportion equation
440,902.44 : 660,231.81 = 290,687.00 : x - Step 2: Convert to fraction form
440,902.44/660,231.81 = 290,687.00/x - Step 3: Cross multiply
440,902.44x = 660,231.81 × 290,687.00 - Step 4: Simplify right side
440,902.44x = 191,920,800,852.31 - Step 5: Solve for x
x = 191,920,800,852.31/440,902.44 - Step 6: Final answer
x = 435,290.86
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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.