Finding the Fourth Proportional to 393,706.68, 590,654.09 and 127,467.49
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Solution
The fourth proportional to 393,706.68, 590,654.09 and 127,467.49 is: 191,231.69
Step by Step Solution
- Step 1: Write the proportion equation
393,706.68 : 590,654.09 = 127,467.49 : x - Step 2: Convert to fraction form
393,706.68/590,654.09 = 127,467.49/x - Step 3: Cross multiply
393,706.68x = 590,654.09 × 127,467.49 - Step 4: Simplify right side
393,706.68x = 75,289,194,310.53 - Step 5: Solve for x
x = 75,289,194,310.53/393,706.68 - Step 6: Final answer
x = 191,231.69
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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.