Finding the Fourth Proportional to 382,158.90, 573,239.70 and 115,921.62
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Solution
The fourth proportional to 382,158.90, 573,239.70 and 115,921.62 is: 173,882.84
Step by Step Solution
- Step 1: Write the proportion equation
382,158.90 : 573,239.70 = 115,921.62 : x - Step 2: Convert to fraction form
382,158.90/573,239.70 = 115,921.62/x - Step 3: Cross multiply
382,158.90x = 573,239.70 × 115,921.62 - Step 4: Simplify right side
382,158.90x = 66,450,874,672.31 - Step 5: Solve for x
x = 66,450,874,672.31/382,158.90 - Step 6: Final answer
x = 173,882.84
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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.