Finding the Fourth Proportional to 373,278.96, 515,136.24 and 203,515.92
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Solution
The fourth proportional to 373,278.96, 515,136.24 and 203,515.92 is: 280,858.12
Step by Step Solution
- Step 1: Write the proportion equation
373,278.96 : 515,136.24 = 203,515.92 : x - Step 2: Convert to fraction form
373,278.96/515,136.24 = 203,515.92/x - Step 3: Cross multiply
373,278.96x = 515,136.24 × 203,515.92 - Step 4: Simplify right side
373,278.96x = 104,838,425,808.94 - Step 5: Solve for x
x = 104,838,425,808.94/373,278.96 - Step 6: Final answer
x = 280,858.12
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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.