Finding the Fourth Proportional to 195,894.36, 270,390.28 and 115,368.60
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Solution
The fourth proportional to 195,894.36, 270,390.28 and 115,368.60 is: 159,241.69
Step by Step Solution
- Step 1: Write the proportion equation
195,894.36 : 270,390.28 = 115,368.60 : x - Step 2: Convert to fraction form
195,894.36/270,390.28 = 115,368.60/x - Step 3: Cross multiply
195,894.36x = 270,390.28 × 115,368.60 - Step 4: Simplify right side
195,894.36x = 31,194,548,057.21 - Step 5: Solve for x
x = 31,194,548,057.21/195,894.36 - Step 6: Final answer
x = 159,241.69
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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.