Finding the Fourth Proportional to 373,530.64, 515,471.62 and 203,764.72
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Solution
The fourth proportional to 373,530.64, 515,471.62 and 203,764.72 is: 281,194.95
Step by Step Solution
- Step 1: Write the proportion equation
373,530.64 : 515,471.62 = 203,764.72 : x - Step 2: Convert to fraction form
373,530.64/515,471.62 = 203,764.72/x - Step 3: Cross multiply
373,530.64x = 515,471.62 × 203,764.72 - Step 4: Simplify right side
373,530.64x = 105,034,930,317.25 - Step 5: Solve for x
x = 105,034,930,317.25/373,530.64 - Step 6: Final answer
x = 281,194.95
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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.