Finding the Fourth Proportional to 218,497.28, 327,745.92 and 124,937.44
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Solution
The fourth proportional to 218,497.28, 327,745.92 and 124,937.44 is: 187,406.16
Step by Step Solution
- Step 1: Write the proportion equation
218,497.28 : 327,745.92 = 124,937.44 : x - Step 2: Convert to fraction form
218,497.28/327,745.92 = 124,937.44/x - Step 3: Cross multiply
218,497.28x = 327,745.92 × 124,937.44 - Step 4: Simplify right side
218,497.28x = 40,947,736,215.24 - Step 5: Solve for x
x = 40,947,736,215.24/218,497.28 - Step 6: Final answer
x = 187,406.16
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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.