Finding the Fourth Proportional to 189,170.58, 261,057.19 and 104,290.68
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Solution
The fourth proportional to 189,170.58, 261,057.19 and 104,290.68 is: 143,922.12
Step by Step Solution
- Step 1: Write the proportion equation
189,170.58 : 261,057.19 = 104,290.68 : x - Step 2: Convert to fraction form
189,170.58/261,057.19 = 104,290.68/x - Step 3: Cross multiply
189,170.58x = 261,057.19 × 104,290.68 - Step 4: Simplify right side
189,170.58x = 27,225,831,603.26 - Step 5: Solve for x
x = 27,225,831,603.26/189,170.58 - Step 6: Final answer
x = 143,922.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.