Finding the Fourth Proportional to 416,163.48, 574,301.52 and 225,172.68
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Solution
The fourth proportional to 416,163.48, 574,301.52 and 225,172.68 is: 310,736.09
Step by Step Solution
- Step 1: Write the proportion equation
416,163.48 : 574,301.52 = 225,172.68 : x - Step 2: Convert to fraction form
416,163.48/574,301.52 = 225,172.68/x - Step 3: Cross multiply
416,163.48x = 574,301.52 × 225,172.68 - Step 4: Simplify right side
416,163.48x = 129,317,012,386.47 - Step 5: Solve for x
x = 129,317,012,386.47/416,163.48 - Step 6: Final answer
x = 310,736.09
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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.