Finding the Fourth Proportional to 297,145.21, 410,057.97 and 161,178.82
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Solution
The fourth proportional to 297,145.21, 410,057.97 and 161,178.82 is: 222,425.45
Step by Step Solution
- Step 1: Write the proportion equation
297,145.21 : 410,057.97 = 161,178.82 : x - Step 2: Convert to fraction form
297,145.21/410,057.97 = 161,178.82/x - Step 3: Cross multiply
297,145.21x = 410,057.97 × 161,178.82 - Step 4: Simplify right side
297,145.21x = 66,092,656,880.01 - Step 5: Solve for x
x = 66,092,656,880.01/297,145.21 - Step 6: Final answer
x = 222,425.45
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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.