Finding the Fourth Proportional to 373,198.68, 515,014.11 and 203,432.76
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Solution
The fourth proportional to 373,198.68, 515,014.11 and 203,432.76 is: 280,737.17
Step by Step Solution
- Step 1: Write the proportion equation
373,198.68 : 515,014.11 = 203,432.76 : x - Step 2: Convert to fraction form
373,198.68/515,014.11 = 203,432.76/x - Step 3: Cross multiply
373,198.68x = 515,014.11 × 203,432.76 - Step 4: Simplify right side
373,198.68x = 104,770,741,836.24 - Step 5: Solve for x
x = 104,770,741,836.24/373,198.68 - Step 6: Final answer
x = 280,737.17
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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.