Finding the Fourth Proportional to 211,234.44, 316,891.62 and 84,884.52
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Solution
The fourth proportional to 211,234.44, 316,891.62 and 84,884.52 is: 127,342.84
Step by Step Solution
- Step 1: Write the proportion equation
211,234.44 : 316,891.62 = 84,884.52 : x - Step 2: Convert to fraction form
211,234.44/316,891.62 = 84,884.52/x - Step 3: Cross multiply
211,234.44x = 316,891.62 × 84,884.52 - Step 4: Simplify right side
211,234.44x = 26,899,193,055.72 - Step 5: Solve for x
x = 26,899,193,055.72/211,234.44 - Step 6: Final answer
x = 127,342.84
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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.