Finding the Fourth Proportional to 352,861.41, 486,950.94 and 191,716.37
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Solution
The fourth proportional to 352,861.41, 486,950.94 and 191,716.37 is: 264,569.78
Step by Step Solution
- Step 1: Write the proportion equation
352,861.41 : 486,950.94 = 191,716.37 : x - Step 2: Convert to fraction form
352,861.41/486,950.94 = 191,716.37/x - Step 3: Cross multiply
352,861.41x = 486,950.94 × 191,716.37 - Step 4: Simplify right side
352,861.41x = 93,356,465,976.20 - Step 5: Solve for x
x = 93,356,465,976.20/352,861.41 - Step 6: Final answer
x = 264,569.78
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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.