Finding the Fourth Proportional to 373,741.75, 515,756.42 and 203,977.09
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Solution
The fourth proportional to 373,741.75, 515,756.42 and 203,977.09 is: 281,484.45
Step by Step Solution
- Step 1: Write the proportion equation
373,741.75 : 515,756.42 = 203,977.09 : x - Step 2: Convert to fraction form
373,741.75/515,756.42 = 203,977.09/x - Step 3: Cross multiply
373,741.75x = 515,756.42 × 203,977.09 - Step 4: Simplify right side
373,741.75x = 105,202,491,391.14 - Step 5: Solve for x
x = 105,202,491,391.14/373,741.75 - Step 6: Final answer
x = 281,484.45
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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.