Finding the Fourth Proportional to 353,696.04, 488,163.96 and 226,367.28
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Solution
The fourth proportional to 353,696.04, 488,163.96 and 226,367.28 is: 312,427.44
Step by Step Solution
- Step 1: Write the proportion equation
353,696.04 : 488,163.96 = 226,367.28 : x - Step 2: Convert to fraction form
353,696.04/488,163.96 = 226,367.28/x - Step 3: Cross multiply
353,696.04x = 488,163.96 × 226,367.28 - Step 4: Simplify right side
353,696.04x = 110,504,347,819.23 - Step 5: Solve for x
x = 110,504,347,819.23/353,696.04 - Step 6: Final answer
x = 312,427.44
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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.