Finding the Fourth Proportional to 181,660.80, 272,213.60 and 76,422.08
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Solution
The fourth proportional to 181,660.80, 272,213.60 and 76,422.08 is: 114,516.34
Step by Step Solution
- Step 1: Write the proportion equation
181,660.80 : 272,213.60 = 76,422.08 : x - Step 2: Convert to fraction form
181,660.80/272,213.60 = 76,422.08/x - Step 3: Cross multiply
181,660.80x = 272,213.60 × 76,422.08 - Step 4: Simplify right side
181,660.80x = 20,803,129,516.29 - Step 5: Solve for x
x = 20,803,129,516.29/181,660.80 - Step 6: Final answer
x = 114,516.34
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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.