Finding the Fourth Proportional to 355,284.64, 490,286.88 and 194,135.99
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Solution
The fourth proportional to 355,284.64, 490,286.88 and 194,135.99 is: 267,904.43
Step by Step Solution
- Step 1: Write the proportion equation
355,284.64 : 490,286.88 = 194,135.99 : x - Step 2: Convert to fraction form
355,284.64/490,286.88 = 194,135.99/x - Step 3: Cross multiply
355,284.64x = 490,286.88 × 194,135.99 - Step 4: Simplify right side
355,284.64x = 95,182,328,832.81 - Step 5: Solve for x
x = 95,182,328,832.81/355,284.64 - Step 6: Final answer
x = 267,904.43
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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.