Finding the Fourth Proportional to 355,137.09, 490,250.53 and 226,252.31
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Solution
The fourth proportional to 355,137.09, 490,250.53 and 226,252.31 is: 312,330.98
Step by Step Solution
- Step 1: Write the proportion equation
355,137.09 : 490,250.53 = 226,252.31 : x - Step 2: Convert to fraction form
355,137.09/490,250.53 = 226,252.31/x - Step 3: Cross multiply
355,137.09x = 490,250.53 × 226,252.31 - Step 4: Simplify right side
355,137.09x = 110,920,317,495.61 - Step 5: Solve for x
x = 110,920,317,495.61/355,137.09 - Step 6: Final answer
x = 312,330.98
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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.