Finding the Fourth Proportional to 226,419.88, 339,608.99 and 76,643.05
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Solution
The fourth proportional to 226,419.88, 339,608.99 and 76,643.05 is: 114,957.52
Step by Step Solution
- Step 1: Write the proportion equation
226,419.88 : 339,608.99 = 76,643.05 : x - Step 2: Convert to fraction form
226,419.88/339,608.99 = 76,643.05/x - Step 3: Cross multiply
226,419.88x = 339,608.99 × 76,643.05 - Step 4: Simplify right side
226,419.88x = 26,028,667,102.97 - Step 5: Solve for x
x = 26,028,667,102.97/226,419.88 - Step 6: Final answer
x = 114,957.52
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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.