Finding the Fourth Proportional to 208,474.56, 312,760.44 and 68,224.68
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Solution
The fourth proportional to 208,474.56, 312,760.44 and 68,224.68 is: 102,352.92
Step by Step Solution
- Step 1: Write the proportion equation
208,474.56 : 312,760.44 = 68,224.68 : x - Step 2: Convert to fraction form
208,474.56/312,760.44 = 68,224.68/x - Step 3: Cross multiply
208,474.56x = 312,760.44 × 68,224.68 - Step 4: Simplify right side
208,474.56x = 21,337,980,935.66 - Step 5: Solve for x
x = 21,337,980,935.66/208,474.56 - Step 6: Final answer
x = 102,352.92
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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.