Finding the Fourth Proportional to 166,785.24, 230,163.32 and 90,304.41
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Solution
The fourth proportional to 166,785.24, 230,163.32 and 90,304.41 is: 124,619.92
Step by Step Solution
- Step 1: Write the proportion equation
166,785.24 : 230,163.32 = 90,304.41 : x - Step 2: Convert to fraction form
166,785.24/230,163.32 = 90,304.41/x - Step 3: Cross multiply
166,785.24x = 230,163.32 × 90,304.41 - Step 4: Simplify right side
166,785.24x = 20,784,762,816.24 - Step 5: Solve for x
x = 20,784,762,816.24/166,785.24 - Step 6: Final answer
x = 124,619.92
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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.