Finding the Fourth Proportional to 268,857.05, 403,285.77 and 110,911.91
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Solution
The fourth proportional to 268,857.05, 403,285.77 and 110,911.91 is: 166,367.94
Step by Step Solution
- Step 1: Write the proportion equation
268,857.05 : 403,285.77 = 110,911.91 : x - Step 2: Convert to fraction form
268,857.05/403,285.77 = 110,911.91/x - Step 3: Cross multiply
268,857.05x = 403,285.77 × 110,911.91 - Step 4: Simplify right side
268,857.05x = 44,729,193,010.09 - Step 5: Solve for x
x = 44,729,193,010.09/268,857.05 - Step 6: Final answer
x = 166,367.94
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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.