Finding the Fourth Proportional to 355,207.68, 490,190.94 and 194,064.66
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Solution
The fourth proportional to 355,207.68, 490,190.94 and 194,064.66 is: 267,811.60
Step by Step Solution
- Step 1: Write the proportion equation
355,207.68 : 490,190.94 = 194,064.66 : x - Step 2: Convert to fraction form
355,207.68/490,190.94 = 194,064.66/x - Step 3: Cross multiply
355,207.68x = 490,190.94 × 194,064.66 - Step 4: Simplify right side
355,207.68x = 95,128,738,106.18 - Step 5: Solve for x
x = 95,128,738,106.18/355,207.68 - Step 6: Final answer
x = 267,811.60
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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.