Finding the Fourth Proportional to 299,086.08, 412,724.22 and 178,224.68
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Solution
The fourth proportional to 299,086.08, 412,724.22 and 178,224.68 is: 245,941.37
Step by Step Solution
- Step 1: Write the proportion equation
299,086.08 : 412,724.22 = 178,224.68 : x - Step 2: Convert to fraction form
299,086.08/412,724.22 = 178,224.68/x - Step 3: Cross multiply
299,086.08x = 412,724.22 × 178,224.68 - Step 4: Simplify right side
299,086.08x = 73,557,639,974.13 - Step 5: Solve for x
x = 73,557,639,974.13/299,086.08 - Step 6: Final answer
x = 245,941.37
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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.