Finding the Fourth Proportional to 251,553.63, 377,330.43 and 172,427.97
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Solution
The fourth proportional to 251,553.63, 377,330.43 and 172,427.97 is: 258,641.94
Step by Step Solution
- Step 1: Write the proportion equation
251,553.63 : 377,330.43 = 172,427.97 : x - Step 2: Convert to fraction form
251,553.63/377,330.43 = 172,427.97/x - Step 3: Cross multiply
251,553.63x = 377,330.43 × 172,427.97 - Step 4: Simplify right side
251,553.63x = 65,062,320,064.13 - Step 5: Solve for x
x = 65,062,320,064.13/251,553.63 - Step 6: Final answer
x = 258,641.94
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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.