Finding the Fourth Proportional to 355,274.96, 490,263.96 and 194,122.40
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Solution
The fourth proportional to 355,274.96, 490,263.96 and 194,122.40 is: 267,880.45
Step by Step Solution
- Step 1: Write the proportion equation
355,274.96 : 490,263.96 = 194,122.40 : x - Step 2: Convert to fraction form
355,274.96/490,263.96 = 194,122.40/x - Step 3: Cross multiply
355,274.96x = 490,263.96 × 194,122.40 - Step 4: Simplify right side
355,274.96x = 95,171,216,548.70 - Step 5: Solve for x
x = 95,171,216,548.70/355,274.96 - Step 6: Final answer
x = 267,880.45
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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.