Finding the Fourth Proportional to 381,921.94, 573,232.99 and 204,629.14
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Solution
The fourth proportional to 381,921.94, 573,232.99 and 204,629.14 is: 307,131.28
Step by Step Solution
- Step 1: Write the proportion equation
381,921.94 : 573,232.99 = 204,629.14 : x - Step 2: Convert to fraction form
381,921.94/573,232.99 = 204,629.14/x - Step 3: Cross multiply
381,921.94x = 573,232.99 × 204,629.14 - Step 4: Simplify right side
381,921.94x = 117,300,173,763.33 - Step 5: Solve for x
x = 117,300,173,763.33/381,921.94 - Step 6: Final answer
x = 307,131.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.