Finding the Fourth Proportional to 277,293.96, 382,665.36 and 149,969.28
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Solution
The fourth proportional to 277,293.96, 382,665.36 and 149,969.28 is: 206,957.44
Step by Step Solution
- Step 1: Write the proportion equation
277,293.96 : 382,665.36 = 149,969.28 : x - Step 2: Convert to fraction form
277,293.96/382,665.36 = 149,969.28/x - Step 3: Cross multiply
277,293.96x = 382,665.36 × 149,969.28 - Step 4: Simplify right side
277,293.96x = 57,388,048,520.14 - Step 5: Solve for x
x = 57,388,048,520.14/277,293.96 - Step 6: Final answer
x = 206,957.44
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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.