Finding the Fourth Proportional to 129,204.01, 193,608.66 and 54,283.19
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Solution
The fourth proportional to 129,204.01, 193,608.66 and 54,283.19 is: 81,341.86
Step by Step Solution
- Step 1: Write the proportion equation
129,204.01 : 193,608.66 = 54,283.19 : x - Step 2: Convert to fraction form
129,204.01/193,608.66 = 54,283.19/x - Step 3: Cross multiply
129,204.01x = 193,608.66 × 54,283.19 - Step 4: Simplify right side
129,204.01x = 10,509,694,998.45 - Step 5: Solve for x
x = 10,509,694,998.45/129,204.01 - Step 6: Final answer
x = 81,341.86
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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.