Finding the Fourth Proportional to 511,144.02, 705,383.64 and 281,709.63
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Solution
The fourth proportional to 511,144.02, 705,383.64 and 281,709.63 is: 388,761.99
Step by Step Solution
- Step 1: Write the proportion equation
511,144.02 : 705,383.64 = 281,709.63 : x - Step 2: Convert to fraction form
511,144.02/705,383.64 = 281,709.63/x - Step 3: Cross multiply
511,144.02x = 705,383.64 × 281,709.63 - Step 4: Simplify right side
511,144.02x = 198,713,364,232.45 - Step 5: Solve for x
x = 198,713,364,232.45/511,144.02 - Step 6: Final answer
x = 388,761.99
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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.