Finding the Fourth Proportional to 511,305.41, 705,604.97 and 284,965.49
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Solution
The fourth proportional to 511,305.41, 705,604.97 and 284,965.49 is: 393,254.33
Step by Step Solution
- Step 1: Write the proportion equation
511,305.41 : 705,604.97 = 284,965.49 : x - Step 2: Convert to fraction form
511,305.41/705,604.97 = 284,965.49/x - Step 3: Cross multiply
511,305.41x = 705,604.97 × 284,965.49 - Step 4: Simplify right side
511,305.41x = 201,073,066,022.49 - Step 5: Solve for x
x = 201,073,066,022.49/511,305.41 - Step 6: Final answer
x = 393,254.33
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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.