Finding the Fourth Proportional to 236,992.16, 327,049.36 and 129,560.48
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Solution
The fourth proportional to 236,992.16, 327,049.36 and 129,560.48 is: 178,793.56
Step by Step Solution
- Step 1: Write the proportion equation
236,992.16 : 327,049.36 = 129,560.48 : x - Step 2: Convert to fraction form
236,992.16/327,049.36 = 129,560.48/x - Step 3: Cross multiply
236,992.16x = 327,049.36 × 129,560.48 - Step 4: Simplify right side
236,992.16x = 42,372,672,065.29 - Step 5: Solve for x
x = 42,372,672,065.29/236,992.16 - Step 6: Final answer
x = 178,793.56
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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.