Finding the Fourth Proportional to 194,270.20, 291,405.30 and 115,343.80
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Solution
The fourth proportional to 194,270.20, 291,405.30 and 115,343.80 is: 173,015.70
Step by Step Solution
- Step 1: Write the proportion equation
194,270.20 : 291,405.30 = 115,343.80 : x - Step 2: Convert to fraction form
194,270.20/291,405.30 = 115,343.80/x - Step 3: Cross multiply
194,270.20x = 291,405.30 × 115,343.80 - Step 4: Simplify right side
194,270.20x = 33,611,794,642.14 - Step 5: Solve for x
x = 33,611,794,642.14/194,270.20 - Step 6: Final answer
x = 173,015.70
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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.