Finding the Fourth Proportional to 194,178.36, 291,170.12 and 113,151.63
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Solution
The fourth proportional to 194,178.36, 291,170.12 and 113,151.63 is: 169,670.68
Step by Step Solution
- Step 1: Write the proportion equation
194,178.36 : 291,170.12 = 113,151.63 : x - Step 2: Convert to fraction form
194,178.36/291,170.12 = 113,151.63/x - Step 3: Cross multiply
194,178.36x = 291,170.12 × 113,151.63 - Step 4: Simplify right side
194,178.36x = 32,946,373,685.30 - Step 5: Solve for x
x = 32,946,373,685.30/194,178.36 - Step 6: Final answer
x = 169,670.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.