Finding the Fourth Proportional to 863,981.11, 1,296,161.12 and 264,987.19
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Solution
The fourth proportional to 863,981.11, 1,296,161.12 and 264,987.19 is: 397,538.89
Step by Step Solution
- Step 1: Write the proportion equation
863,981.11 : 1,296,161.12 = 264,987.19 : x - Step 2: Convert to fraction form
863,981.11/1,296,161.12 = 264,987.19/x - Step 3: Cross multiply
863,981.11x = 1,296,161.12 × 264,987.19 - Step 4: Simplify right side
863,981.11x = 343,466,092,976.05 - Step 5: Solve for x
x = 343,466,092,976.05/863,981.11 - Step 6: Final answer
x = 397,538.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.