Finding the Fourth Proportional to 511,304.91, 705,604.28 and 284,964.99
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Solution
The fourth proportional to 511,304.91, 705,604.28 and 284,964.99 is: 393,253.64
Step by Step Solution
- Step 1: Write the proportion equation
511,304.91 : 705,604.28 = 284,964.99 : x - Step 2: Convert to fraction form
511,304.91/705,604.28 = 284,964.99/x - Step 3: Cross multiply
511,304.91x = 705,604.28 × 284,964.99 - Step 4: Simplify right side
511,304.91x = 201,072,515,169.33 - Step 5: Solve for x
x = 201,072,515,169.33/511,304.91 - Step 6: Final answer
x = 393,253.64
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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.