Finding the Fourth Proportional to 275,351.40, 379,276.95 and 194,640.18
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Solution
The fourth proportional to 275,351.40, 379,276.95 and 194,640.18 is: 268,102.99
Step by Step Solution
- Step 1: Write the proportion equation
275,351.40 : 379,276.95 = 194,640.18 : x - Step 2: Convert to fraction form
275,351.40/379,276.95 = 194,640.18/x - Step 3: Cross multiply
275,351.40x = 379,276.95 × 194,640.18 - Step 4: Simplify right side
275,351.40x = 73,822,533,817.85 - Step 5: Solve for x
x = 73,822,533,817.85/275,351.40 - Step 6: Final answer
x = 268,102.99
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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.