Finding the Fourth Proportional to 373,906.09, 515,987.70 and 204,140.21
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Solution
The fourth proportional to 373,906.09, 515,987.70 and 204,140.21 is: 281,712.02
Step by Step Solution
- Step 1: Write the proportion equation
373,906.09 : 515,987.70 = 204,140.21 : x - Step 2: Convert to fraction form
373,906.09/515,987.70 = 204,140.21/x - Step 3: Cross multiply
373,906.09x = 515,987.70 × 204,140.21 - Step 4: Simplify right side
373,906.09x = 105,333,839,235.74 - Step 5: Solve for x
x = 105,333,839,235.74/373,906.09 - Step 6: Final answer
x = 281,712.02
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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.