Finding the Fourth Proportional to 388,232.12, 582,343.02 and 135,512.12
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Solution
The fourth proportional to 388,232.12, 582,343.02 and 135,512.12 is: 203,266.38
Step by Step Solution
- Step 1: Write the proportion equation
388,232.12 : 582,343.02 = 135,512.12 : x - Step 2: Convert to fraction form
388,232.12/582,343.02 = 135,512.12/x - Step 3: Cross multiply
388,232.12x = 582,343.02 × 135,512.12 - Step 4: Simplify right side
388,232.12x = 78,914,537,207.40 - Step 5: Solve for x
x = 78,914,537,207.40/388,232.12 - Step 6: Final answer
x = 203,266.38
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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.