Finding the Fourth Proportional to 232,676.60, 321,128.42 and 142,085.09
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Solution
The fourth proportional to 232,676.60, 321,128.42 and 142,085.09 is: 196,098.62
Step by Step Solution
- Step 1: Write the proportion equation
232,676.60 : 321,128.42 = 142,085.09 : x - Step 2: Convert to fraction form
232,676.60/321,128.42 = 142,085.09/x - Step 3: Cross multiply
232,676.60x = 321,128.42 × 142,085.09 - Step 4: Simplify right side
232,676.60x = 45,627,558,141.19 - Step 5: Solve for x
x = 45,627,558,141.19/232,676.60 - Step 6: Final answer
x = 196,098.62
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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.