Finding the Fourth Proportional to 373,816.62, 515,789.49 and 220,777.20
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Solution
The fourth proportional to 373,816.62, 515,789.49 and 220,777.20 is: 304,626.80
Step by Step Solution
- Step 1: Write the proportion equation
373,816.62 : 515,789.49 = 220,777.20 : x - Step 2: Convert to fraction form
373,816.62/515,789.49 = 220,777.20/x - Step 3: Cross multiply
373,816.62x = 515,789.49 × 220,777.20 - Step 4: Simplify right side
373,816.62x = 113,874,559,391.63 - Step 5: Solve for x
x = 113,874,559,391.63/373,816.62 - Step 6: Final answer
x = 304,626.80
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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.