Finding the Fourth Proportional to 200,703.59, 300,427.98 and 129,531.09
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Solution
The fourth proportional to 200,703.59, 300,427.98 and 129,531.09 is: 193,891.71
Step by Step Solution
- Step 1: Write the proportion equation
200,703.59 : 300,427.98 = 129,531.09 : x - Step 2: Convert to fraction form
200,703.59/300,427.98 = 129,531.09/x - Step 3: Cross multiply
200,703.59x = 300,427.98 × 129,531.09 - Step 4: Simplify right side
200,703.59x = 38,914,761,566.10 - Step 5: Solve for x
x = 38,914,761,566.10/200,703.59 - Step 6: Final answer
x = 193,891.71
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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.