Finding the Fourth Proportional to 417,982.44, 576,907.68 and 274,755.84
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Solution
The fourth proportional to 417,982.44, 576,907.68 and 274,755.84 is: 379,223.48
Step by Step Solution
- Step 1: Write the proportion equation
417,982.44 : 576,907.68 = 274,755.84 : x - Step 2: Convert to fraction form
417,982.44/576,907.68 = 274,755.84/x - Step 3: Cross multiply
417,982.44x = 576,907.68 × 274,755.84 - Step 4: Simplify right side
417,982.44x = 158,508,754,220.85 - Step 5: Solve for x
x = 158,508,754,220.85/417,982.44 - Step 6: Final answer
x = 379,223.48
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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.