Finding the Fourth Proportional to 300,378.97, 414,521.88 and 162,557.62
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Solution
The fourth proportional to 300,378.97, 414,521.88 and 162,557.62 is: 224,328.92
Step by Step Solution
- Step 1: Write the proportion equation
300,378.97 : 414,521.88 = 162,557.62 : x - Step 2: Convert to fraction form
300,378.97/414,521.88 = 162,557.62/x - Step 3: Cross multiply
300,378.97x = 414,521.88 × 162,557.62 - Step 4: Simplify right side
300,378.97x = 67,383,690,250.73 - Step 5: Solve for x
x = 67,383,690,250.73/300,378.97 - Step 6: Final answer
x = 224,328.92
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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.