Finding the Fourth Proportional to 129,150.24, 193,736.52 and 35,655.99
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Solution
The fourth proportional to 129,150.24, 193,736.52 and 35,655.99 is: 53,487.07
Step by Step Solution
- Step 1: Write the proportion equation
129,150.24 : 193,736.52 = 35,655.99 : x - Step 2: Convert to fraction form
129,150.24/193,736.52 = 35,655.99/x - Step 3: Cross multiply
129,150.24x = 193,736.52 × 35,655.99 - Step 4: Simplify right side
129,150.24x = 6,907,867,419.75 - Step 5: Solve for x
x = 6,907,867,419.75/129,150.24 - Step 6: Final answer
x = 53,487.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.