Finding the Fourth Proportional to 202,531.80, 303,804.99 and 76,160.46
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Solution
The fourth proportional to 202,531.80, 303,804.99 and 76,160.46 is: 114,243.43
Step by Step Solution
- Step 1: Write the proportion equation
202,531.80 : 303,804.99 = 76,160.46 : x - Step 2: Convert to fraction form
202,531.80/303,804.99 = 76,160.46/x - Step 3: Cross multiply
202,531.80x = 303,804.99 × 76,160.46 - Step 4: Simplify right side
202,531.80x = 23,137,927,788.70 - Step 5: Solve for x
x = 23,137,927,788.70/202,531.80 - Step 6: Final answer
x = 114,243.43
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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.