Finding the Fourth Proportional to 451,487.88, 622,838.60 and 270,163.29
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Solution
The fourth proportional to 451,487.88, 622,838.60 and 270,163.29 is: 372,696.88
Step by Step Solution
- Step 1: Write the proportion equation
451,487.88 : 622,838.60 = 270,163.29 : x - Step 2: Convert to fraction form
451,487.88/622,838.60 = 270,163.29/x - Step 3: Cross multiply
451,487.88x = 622,838.60 × 270,163.29 - Step 4: Simplify right side
451,487.88x = 168,268,123,964.18 - Step 5: Solve for x
x = 168,268,123,964.18/451,487.88 - Step 6: Final answer
x = 372,696.88
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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.