Finding the Fourth Proportional to 417,937.70, 576,845.88 and 274,711.08
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Solution
The fourth proportional to 417,937.70, 576,845.88 and 274,711.08 is: 379,161.67
Step by Step Solution
- Step 1: Write the proportion equation
417,937.70 : 576,845.88 = 274,711.08 : x - Step 2: Convert to fraction form
417,937.70/576,845.88 = 274,711.08/x - Step 3: Cross multiply
417,937.70x = 576,845.88 × 274,711.08 - Step 4: Simplify right side
417,937.70x = 158,465,954,688.35 - Step 5: Solve for x
x = 158,465,954,688.35/417,937.70 - Step 6: Final answer
x = 379,161.67
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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.