Finding the Fourth Proportional to 253,821.49, 350,229.26 and 144,876.09
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Solution
The fourth proportional to 253,821.49, 350,229.26 and 144,876.09 is: 199,903.66
Step by Step Solution
- Step 1: Write the proportion equation
253,821.49 : 350,229.26 = 144,876.09 : x - Step 2: Convert to fraction form
253,821.49/350,229.26 = 144,876.09/x - Step 3: Cross multiply
253,821.49x = 350,229.26 × 144,876.09 - Step 4: Simplify right side
253,821.49x = 50,739,845,792.39 - Step 5: Solve for x
x = 50,739,845,792.39/253,821.49 - Step 6: Final answer
x = 199,903.66
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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.