Finding the Fourth Proportional to 274,505.22, 411,876.18 and 106,144.08
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Solution
The fourth proportional to 274,505.22, 411,876.18 and 106,144.08 is: 159,261.88
Step by Step Solution
- Step 1: Write the proportion equation
274,505.22 : 411,876.18 = 106,144.08 : x - Step 2: Convert to fraction form
274,505.22/411,876.18 = 106,144.08/x - Step 3: Cross multiply
274,505.22x = 411,876.18 × 106,144.08 - Step 4: Simplify right side
274,505.22x = 43,718,218,200.01 - Step 5: Solve for x
x = 43,718,218,200.01/274,505.22 - Step 6: Final answer
x = 159,261.88
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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.