Finding the Fourth Proportional to 511,841.62, 706,339.46 and 282,413.19
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Solution
The fourth proportional to 511,841.62, 706,339.46 and 282,413.19 is: 389,729.11
Step by Step Solution
- Step 1: Write the proportion equation
511,841.62 : 706,339.46 = 282,413.19 : x - Step 2: Convert to fraction form
511,841.62/706,339.46 = 282,413.19/x - Step 3: Cross multiply
511,841.62x = 706,339.46 × 282,413.19 - Step 4: Simplify right side
511,841.62x = 199,479,579,901.13 - Step 5: Solve for x
x = 199,479,579,901.13/511,841.62 - Step 6: Final answer
x = 389,729.11
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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.