Finding the Fourth Proportional to 373,674.75, 515,682.09 and 203,919.81
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Solution
The fourth proportional to 373,674.75, 515,682.09 and 203,919.81 is: 281,415.31
Step by Step Solution
- Step 1: Write the proportion equation
373,674.75 : 515,682.09 = 203,919.81 : x - Step 2: Convert to fraction form
373,674.75/515,682.09 = 203,919.81/x - Step 3: Cross multiply
373,674.75x = 515,682.09 × 203,919.81 - Step 4: Simplify right side
373,674.75x = 105,157,793,813.20 - Step 5: Solve for x
x = 105,157,793,813.20/373,674.75 - Step 6: Final answer
x = 281,415.31
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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.