Finding the Fourth Proportional to 274,505.31, 411,791.19 and 96,975.99
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Solution
The fourth proportional to 274,505.31, 411,791.19 and 96,975.99 is: 145,475.72
Step by Step Solution
- Step 1: Write the proportion equation
274,505.31 : 411,791.19 = 96,975.99 : x - Step 2: Convert to fraction form
274,505.31/411,791.19 = 96,975.99/x - Step 3: Cross multiply
274,505.31x = 411,791.19 × 96,975.99 - Step 4: Simplify right side
274,505.31x = 39,933,858,323.53 - Step 5: Solve for x
x = 39,933,858,323.53/274,505.31 - Step 6: Final answer
x = 145,475.72
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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.