Finding the Fourth Proportional to 226,625.49, 312,721.43 and 124,649.19
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Solution
The fourth proportional to 226,625.49, 312,721.43 and 124,649.19 is: 172,003.92
Step by Step Solution
- Step 1: Write the proportion equation
226,625.49 : 312,721.43 = 124,649.19 : x - Step 2: Convert to fraction form
226,625.49/312,721.43 = 124,649.19/x - Step 3: Cross multiply
226,625.49x = 312,721.43 × 124,649.19 - Step 4: Simplify right side
226,625.49x = 38,980,472,321.90 - Step 5: Solve for x
x = 38,980,472,321.90/226,625.49 - Step 6: Final answer
x = 172,003.92
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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.