Finding the Fourth Proportional to 201,116.60, 301,761.30 and 102,620.60
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Solution
The fourth proportional to 201,116.60, 301,761.30 and 102,620.60 is: 153,974.99
Step by Step Solution
- Step 1: Write the proportion equation
201,116.60 : 301,761.30 = 102,620.60 : x - Step 2: Convert to fraction form
201,116.60/301,761.30 = 102,620.60/x - Step 3: Cross multiply
201,116.60x = 301,761.30 × 102,620.60 - Step 4: Simplify right side
201,116.60x = 30,966,925,662.78 - Step 5: Solve for x
x = 30,966,925,662.78/201,116.60 - Step 6: Final answer
x = 153,974.99
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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.