Finding the Fourth Proportional to 275,092.44, 379,695.09 and 167,721.67
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Solution
The fourth proportional to 275,092.44, 379,695.09 and 167,721.67 is: 231,497.07
Step by Step Solution
- Step 1: Write the proportion equation
275,092.44 : 379,695.09 = 167,721.67 : x - Step 2: Convert to fraction form
275,092.44/379,695.09 = 167,721.67/x - Step 3: Cross multiply
275,092.44x = 379,695.09 × 167,721.67 - Step 4: Simplify right side
275,092.44x = 63,683,094,585.60 - Step 5: Solve for x
x = 63,683,094,585.60/275,092.44 - Step 6: Final answer
x = 231,497.07
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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.