Finding the Fourth Proportional to 277,137.20, 382,446.96 and 149,811.68
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Solution
The fourth proportional to 277,137.20, 382,446.96 and 149,811.68 is: 206,738.83
Step by Step Solution
- Step 1: Write the proportion equation
277,137.20 : 382,446.96 = 149,811.68 : x - Step 2: Convert to fraction form
277,137.20/382,446.96 = 149,811.68/x - Step 3: Cross multiply
277,137.20x = 382,446.96 × 149,811.68 - Step 4: Simplify right side
277,137.20x = 57,295,021,588.49 - Step 5: Solve for x
x = 57,295,021,588.49/277,137.20 - Step 6: Final answer
x = 206,738.83
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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.