Finding the Fourth Proportional to 373,458.30, 515,378.58 and 203,692.42
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Solution
The fourth proportional to 373,458.30, 515,378.58 and 203,692.42 is: 281,098.88
Step by Step Solution
- Step 1: Write the proportion equation
373,458.30 : 515,378.58 = 203,692.42 : x - Step 2: Convert to fraction form
373,458.30/515,378.58 = 203,692.42/x - Step 3: Cross multiply
373,458.30x = 515,378.58 × 203,692.42 - Step 4: Simplify right side
373,458.30x = 104,978,710,176.36 - Step 5: Solve for x
x = 104,978,710,176.36/373,458.30 - Step 6: Final answer
x = 281,098.88
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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.