Finding the Fourth Proportional to 304,760.97, 420,571.44 and 168,791.94
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Solution
The fourth proportional to 304,760.97, 420,571.44 and 168,791.94 is: 232,933.60
Step by Step Solution
- Step 1: Write the proportion equation
304,760.97 : 420,571.44 = 168,791.94 : x - Step 2: Convert to fraction form
304,760.97/420,571.44 = 168,791.94/x - Step 3: Cross multiply
304,760.97x = 420,571.44 × 168,791.94 - Step 4: Simplify right side
304,760.97x = 70,989,069,266.19 - Step 5: Solve for x
x = 70,989,069,266.19/304,760.97 - Step 6: Final answer
x = 232,933.60
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1.5x scale
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.