Finding the Fourth Proportional to 229,160.91, 343,736.09 and 134,988.49
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Solution
The fourth proportional to 229,160.91, 343,736.09 and 134,988.49 is: 202,479.63
Step by Step Solution
- Step 1: Write the proportion equation
229,160.91 : 343,736.09 = 134,988.49 : x - Step 2: Convert to fraction form
229,160.91/343,736.09 = 134,988.49/x - Step 3: Cross multiply
229,160.91x = 343,736.09 × 134,988.49 - Step 4: Simplify right side
229,160.91x = 46,400,416,008.54 - Step 5: Solve for x
x = 46,400,416,008.54/229,160.91 - Step 6: Final answer
x = 202,479.63
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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.