Finding the Fourth Proportional to 511,252.19, 705,495.88 and 281,796.84
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Solution
The fourth proportional to 511,252.19, 705,495.88 and 281,796.84 is: 388,861.92
Step by Step Solution
- Step 1: Write the proportion equation
511,252.19 : 705,495.88 = 281,796.84 : x - Step 2: Convert to fraction form
511,252.19/705,495.88 = 281,796.84/x - Step 3: Cross multiply
511,252.19x = 705,495.88 × 281,796.84 - Step 4: Simplify right side
511,252.19x = 198,806,509,617.02 - Step 5: Solve for x
x = 198,806,509,617.02/511,252.19 - Step 6: Final answer
x = 388,861.92
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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.