Finding the Fourth Proportional to 274,322.97, 411,519.49 and 105,891.46
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Solution
The fourth proportional to 274,322.97, 411,519.49 and 105,891.46 is: 158,850.72
Step by Step Solution
- Step 1: Write the proportion equation
274,322.97 : 411,519.49 = 105,891.46 : x - Step 2: Convert to fraction form
274,322.97/411,519.49 = 105,891.46/x - Step 3: Cross multiply
274,322.97x = 411,519.49 × 105,891.46 - Step 4: Simplify right side
274,322.97x = 43,576,399,280.47 - Step 5: Solve for x
x = 43,576,399,280.47/274,322.97 - Step 6: Final answer
x = 158,850.72
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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.