Finding the Fourth Proportional to 192,427.68, 265,378.24 and 120,814.38
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Solution
The fourth proportional to 192,427.68, 265,378.24 and 120,814.38 is: 166,615.88
Step by Step Solution
- Step 1: Write the proportion equation
192,427.68 : 265,378.24 = 120,814.38 : x - Step 2: Convert to fraction form
192,427.68/265,378.24 = 120,814.38/x - Step 3: Cross multiply
192,427.68x = 265,378.24 × 120,814.38 - Step 4: Simplify right side
192,427.68x = 32,061,507,531.09 - Step 5: Solve for x
x = 32,061,507,531.09/192,427.68 - Step 6: Final answer
x = 166,615.88
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1.5x scale
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.