Finding the Fourth Proportional to 166,757.68, 230,327.60 and 121,363.68
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Solution
The fourth proportional to 166,757.68, 230,327.60 and 121,363.68 is: 167,628.89
Step by Step Solution
- Step 1: Write the proportion equation
166,757.68 : 230,327.60 = 121,363.68 : x - Step 2: Convert to fraction form
166,757.68/230,327.60 = 121,363.68/x - Step 3: Cross multiply
166,757.68x = 230,327.60 × 121,363.68 - Step 4: Simplify right side
166,757.68x = 27,953,405,141.57 - Step 5: Solve for x
x = 27,953,405,141.57/166,757.68 - Step 6: Final answer
x = 167,628.89
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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.