Finding the Fourth Proportional to 146,791.06, 202,576.42 and 83,127.48
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Solution
The fourth proportional to 146,791.06, 202,576.42 and 83,127.48 is: 114,718.62
Step by Step Solution
- Step 1: Write the proportion equation
146,791.06 : 202,576.42 = 83,127.48 : x - Step 2: Convert to fraction form
146,791.06/202,576.42 = 83,127.48/x - Step 3: Cross multiply
146,791.06x = 202,576.42 × 83,127.48 - Step 4: Simplify right side
146,791.06x = 16,839,667,302.02 - Step 5: Solve for x
x = 16,839,667,302.02/146,791.06 - Step 6: Final answer
x = 114,718.62
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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.