Finding the Fourth Proportional to 218,518.24, 327,777.36 and 124,958.56
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Solution
The fourth proportional to 218,518.24, 327,777.36 and 124,958.56 is: 187,437.84
Step by Step Solution
- Step 1: Write the proportion equation
218,518.24 : 327,777.36 = 124,958.56 : x - Step 2: Convert to fraction form
218,518.24/327,777.36 = 124,958.56/x - Step 3: Cross multiply
218,518.24x = 327,777.36 × 124,958.56 - Step 4: Simplify right side
218,518.24x = 40,958,586,906.20 - Step 5: Solve for x
x = 40,958,586,906.20/218,518.24 - Step 6: Final answer
x = 187,437.84
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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.