Finding the Fourth Proportional to 849,321.36, 1,274,026.68 and 218,239.44
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Solution
The fourth proportional to 849,321.36, 1,274,026.68 and 218,239.44 is: 327,370.63
Step by Step Solution
- Step 1: Write the proportion equation
849,321.36 : 1,274,026.68 = 218,239.44 : x - Step 2: Convert to fraction form
849,321.36/1,274,026.68 = 218,239.44/x - Step 3: Cross multiply
849,321.36x = 1,274,026.68 × 218,239.44 - Step 4: Simplify right side
849,321.36x = 278,042,869,188.26 - Step 5: Solve for x
x = 278,042,869,188.26/849,321.36 - Step 6: Final answer
x = 327,370.63
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1.5x scale
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.