Finding the Fourth Proportional to 183,957.40, 275,936.10 and 155,963.80
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Solution
The fourth proportional to 183,957.40, 275,936.10 and 155,963.80 is: 233,945.70
Step by Step Solution
- Step 1: Write the proportion equation
183,957.40 : 275,936.10 = 155,963.80 : x - Step 2: Convert to fraction form
183,957.40/275,936.10 = 155,963.80/x - Step 3: Cross multiply
183,957.40x = 275,936.10 × 155,963.80 - Step 4: Simplify right side
183,957.40x = 43,036,042,713.18 - Step 5: Solve for x
x = 43,036,042,713.18/183,957.40 - Step 6: Final answer
x = 233,945.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.