Finding the Fourth Proportional to 343,619.12, 474,192.96 and 192,716.12
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Solution
The fourth proportional to 343,619.12, 474,192.96 and 192,716.12 is: 265,947.45
Step by Step Solution
- Step 1: Write the proportion equation
343,619.12 : 474,192.96 = 192,716.12 : x - Step 2: Convert to fraction form
343,619.12/474,192.96 = 192,716.12/x - Step 3: Cross multiply
343,619.12x = 474,192.96 × 192,716.12 - Step 4: Simplify right side
343,619.12x = 91,384,627,382.52 - Step 5: Solve for x
x = 91,384,627,382.52/343,619.12 - Step 6: Final answer
x = 265,947.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.