Finding the Fourth Proportional to 201,215.07, 301,804.16 and 68,080.08
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Solution
The fourth proportional to 201,215.07, 301,804.16 and 68,080.08 is: 102,113.88
Step by Step Solution
- Step 1: Write the proportion equation
201,215.07 : 301,804.16 = 68,080.08 : x - Step 2: Convert to fraction form
201,215.07/301,804.16 = 68,080.08/x - Step 3: Cross multiply
201,215.07x = 301,804.16 × 68,080.08 - Step 4: Simplify right side
201,215.07x = 20,546,851,016.73 - Step 5: Solve for x
x = 20,546,851,016.73/201,215.07 - Step 6: Final answer
x = 102,113.88
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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.