Finding the Fourth Proportional to 227,396.70, 313,808.76 and 125,425.80
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Solution
The fourth proportional to 227,396.70, 313,808.76 and 125,425.80 is: 173,088.33
Step by Step Solution
- Step 1: Write the proportion equation
227,396.70 : 313,808.76 = 125,425.80 : x - Step 2: Convert to fraction form
227,396.70/313,808.76 = 125,425.80/x - Step 3: Cross multiply
227,396.70x = 313,808.76 × 125,425.80 - Step 4: Simplify right side
227,396.70x = 39,359,714,770.01 - Step 5: Solve for x
x = 39,359,714,770.01/227,396.70 - Step 6: Final answer
x = 173,088.33
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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.