Finding the Fourth Proportional to 275,936.24, 380,896.04 and 161,252.12
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Solution
The fourth proportional to 275,936.24, 380,896.04 and 161,252.12 is: 222,588.72
Step by Step Solution
- Step 1: Write the proportion equation
275,936.24 : 380,896.04 = 161,252.12 : x - Step 2: Convert to fraction form
275,936.24/380,896.04 = 161,252.12/x - Step 3: Cross multiply
275,936.24x = 380,896.04 × 161,252.12 - Step 4: Simplify right side
275,936.24x = 61,420,293,949.60 - Step 5: Solve for x
x = 61,420,293,949.60/275,936.24 - Step 6: Final answer
x = 222,588.72
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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.