Finding the Fourth Proportional to 194,757.69, 292,153.26 and 68,387.07
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Solution
The fourth proportional to 194,757.69, 292,153.26 and 68,387.07 is: 102,586.48
Step by Step Solution
- Step 1: Write the proportion equation
194,757.69 : 292,153.26 = 68,387.07 : x - Step 2: Convert to fraction form
194,757.69/292,153.26 = 68,387.07/x - Step 3: Cross multiply
194,757.69x = 292,153.26 × 68,387.07 - Step 4: Simplify right side
194,757.69x = 19,979,505,442.35 - Step 5: Solve for x
x = 19,979,505,442.35/194,757.69 - Step 6: Final answer
x = 102,586.48
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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.