Finding the Fourth Proportional to 355,274.20, 490,263.78 and 194,134.84
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Solution
The fourth proportional to 355,274.20, 490,263.78 and 194,134.84 is: 267,898.09
Step by Step Solution
- Step 1: Write the proportion equation
355,274.20 : 490,263.78 = 194,134.84 : x - Step 2: Convert to fraction form
355,274.20/490,263.78 = 194,134.84/x - Step 3: Cross multiply
355,274.20x = 490,263.78 × 194,134.84 - Step 4: Simplify right side
355,274.20x = 95,177,280,488.10 - Step 5: Solve for x
x = 95,177,280,488.10/355,274.20 - Step 6: Final answer
x = 267,898.09
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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.