Finding the Fourth Proportional to 373,654.36, 515,638.74 and 203,891.32
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Solution
The fourth proportional to 373,654.36, 515,638.74 and 203,891.32 is: 281,367.69
Step by Step Solution
- Step 1: Write the proportion equation
373,654.36 : 515,638.74 = 203,891.32 : x - Step 2: Convert to fraction form
373,654.36/515,638.74 = 203,891.32/x - Step 3: Cross multiply
373,654.36x = 515,638.74 × 203,891.32 - Step 4: Simplify right side
373,654.36x = 105,134,263,341.74 - Step 5: Solve for x
x = 105,134,263,341.74/373,654.36 - Step 6: Final answer
x = 281,367.69
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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.