Finding the Fourth Proportional to 232,170.60, 320,398.97 and 135,371.78
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Solution
The fourth proportional to 232,170.60, 320,398.97 and 135,371.78 is: 186,815.12
Step by Step Solution
- Step 1: Write the proportion equation
232,170.60 : 320,398.97 = 135,371.78 : x - Step 2: Convert to fraction form
232,170.60/320,398.97 = 135,371.78/x - Step 3: Cross multiply
232,170.60x = 320,398.97 × 135,371.78 - Step 4: Simplify right side
232,170.60x = 43,372,978,879.07 - Step 5: Solve for x
x = 43,372,978,879.07/232,170.60 - Step 6: Final answer
x = 186,815.12
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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.