Finding the Fourth Proportional to 236,082.39, 325,793.70 and 128,652.53
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Solution
The fourth proportional to 236,082.39, 325,793.70 and 128,652.53 is: 177,540.49
Step by Step Solution
- Step 1: Write the proportion equation
236,082.39 : 325,793.70 = 128,652.53 : x - Step 2: Convert to fraction form
236,082.39/325,793.70 = 128,652.53/x - Step 3: Cross multiply
236,082.39x = 325,793.70 × 128,652.53 - Step 4: Simplify right side
236,082.39x = 41,914,182,134.09 - Step 5: Solve for x
x = 41,914,182,134.09/236,082.39 - Step 6: Final answer
x = 177,540.49
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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.