Finding the Fourth Proportional to 229,120.32, 316,185.36 and 127,161.14
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Solution
The fourth proportional to 229,120.32, 316,185.36 and 127,161.14 is: 175,481.99
Step by Step Solution
- Step 1: Write the proportion equation
229,120.32 : 316,185.36 = 127,161.14 : x - Step 2: Convert to fraction form
229,120.32/316,185.36 = 127,161.14/x - Step 3: Cross multiply
229,120.32x = 316,185.36 × 127,161.14 - Step 4: Simplify right side
229,120.32x = 40,206,490,828.91 - Step 5: Solve for x
x = 40,206,490,828.91/229,120.32 - Step 6: Final answer
x = 175,481.99
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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.