Finding the Fourth Proportional to 229,517.40, 316,727.67 and 127,540.23
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Solution
The fourth proportional to 229,517.40, 316,727.67 and 127,540.23 is: 176,001.99
Step by Step Solution
- Step 1: Write the proportion equation
229,517.40 : 316,727.67 = 127,540.23 : x - Step 2: Convert to fraction form
229,517.40/316,727.67 = 127,540.23/x - Step 3: Cross multiply
229,517.40x = 316,727.67 × 127,540.23 - Step 4: Simplify right side
229,517.40x = 40,395,519,879.16 - Step 5: Solve for x
x = 40,395,519,879.16/229,517.40 - Step 6: Final answer
x = 176,001.99
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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.