Finding the Fourth Proportional to 227,771.20, 341,656.80 and 129,467.20
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Solution
The fourth proportional to 227,771.20, 341,656.80 and 129,467.20 is: 194,200.80
Step by Step Solution
- Step 1: Write the proportion equation
227,771.20 : 341,656.80 = 129,467.20 : x - Step 2: Convert to fraction form
227,771.20/341,656.80 = 129,467.20/x - Step 3: Cross multiply
227,771.20x = 341,656.80 × 129,467.20 - Step 4: Simplify right side
227,771.20x = 44,233,349,256.96 - Step 5: Solve for x
x = 44,233,349,256.96/227,771.20 - Step 6: Final answer
x = 194,200.80
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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.