Finding the Fourth Proportional to 166,589.21, 248,575.38 and 156,421.68
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Solution
The fourth proportional to 166,589.21, 248,575.38 and 156,421.68 is: 233,403.95
Step by Step Solution
- Step 1: Write the proportion equation
166,589.21 : 248,575.38 = 156,421.68 : x - Step 2: Convert to fraction form
166,589.21/248,575.38 = 156,421.68/x - Step 3: Cross multiply
166,589.21x = 248,575.38 × 156,421.68 - Step 4: Simplify right side
166,589.21x = 38,882,578,546.24 - Step 5: Solve for x
x = 38,882,578,546.24/166,589.21 - Step 6: Final answer
x = 233,403.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.