Finding the Fourth Proportional to 213,213.06, 319,589.96 and 113,272.63
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Solution
The fourth proportional to 213,213.06, 319,589.96 and 113,272.63 is: 169,786.94
Step by Step Solution
- Step 1: Write the proportion equation
213,213.06 : 319,589.96 = 113,272.63 : x - Step 2: Convert to fraction form
213,213.06/319,589.96 = 113,272.63/x - Step 3: Cross multiply
213,213.06x = 319,589.96 × 113,272.63 - Step 4: Simplify right side
213,213.06x = 36,200,793,925.46 - Step 5: Solve for x
x = 36,200,793,925.46/213,213.06 - Step 6: Final answer
x = 169,786.94
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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.