Finding the Fourth Proportional to 189,269.54, 283,313.82 and 139,405.94
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Solution
The fourth proportional to 189,269.54, 283,313.82 and 139,405.94 is: 208,673.99
Step by Step Solution
- Step 1: Write the proportion equation
189,269.54 : 283,313.82 = 139,405.94 : x - Step 2: Convert to fraction form
189,269.54/283,313.82 = 139,405.94/x - Step 3: Cross multiply
189,269.54x = 283,313.82 × 139,405.94 - Step 4: Simplify right side
189,269.54x = 39,495,629,392.09 - Step 5: Solve for x
x = 39,495,629,392.09/189,269.54 - Step 6: Final answer
x = 208,673.99
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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.