Finding the Fourth Proportional to 226,403.64, 339,752.88 and 86,163.48
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Solution
The fourth proportional to 226,403.64, 339,752.88 and 86,163.48 is: 129,301.32
Step by Step Solution
- Step 1: Write the proportion equation
226,403.64 : 339,752.88 = 86,163.48 : x - Step 2: Convert to fraction form
226,403.64/339,752.88 = 86,163.48/x - Step 3: Cross multiply
226,403.64x = 339,752.88 × 86,163.48 - Step 4: Simplify right side
226,403.64x = 29,274,290,480.82 - Step 5: Solve for x
x = 29,274,290,480.82/226,403.64 - Step 6: Final answer
x = 129,301.32
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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.