Finding the Fourth Proportional to 511,159.21, 705,397.37 and 281,716.00
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Solution
The fourth proportional to 511,159.21, 705,397.37 and 281,716.00 is: 388,766.79
Step by Step Solution
- Step 1: Write the proportion equation
511,159.21 : 705,397.37 = 281,716.00 : x - Step 2: Convert to fraction form
511,159.21/705,397.37 = 281,716.00/x - Step 3: Cross multiply
511,159.21x = 705,397.37 × 281,716.00 - Step 4: Simplify right side
511,159.21x = 198,721,722,314.85 - Step 5: Solve for x
x = 198,721,722,314.85/511,159.21 - Step 6: Final answer
x = 388,766.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.