Finding the Fourth Proportional to 373,668.18, 515,657.25 and 203,899.38
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Solution
The fourth proportional to 373,668.18, 515,657.25 and 203,899.38 is: 281,378.50
Step by Step Solution
- Step 1: Write the proportion equation
373,668.18 : 515,657.25 = 203,899.38 : x - Step 2: Convert to fraction form
373,668.18/515,657.25 = 203,899.38/x - Step 3: Cross multiply
373,668.18x = 515,657.25 × 203,899.38 - Step 4: Simplify right side
373,668.18x = 105,142,193,567.51 - Step 5: Solve for x
x = 105,142,193,567.51/373,668.18 - Step 6: Final answer
x = 281,378.50
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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.