Finding the Fourth Proportional to 211,043.62, 316,736.12 and 163,546.08
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Solution
The fourth proportional to 211,043.62, 316,736.12 and 163,546.08 is: 245,451.39
Step by Step Solution
- Step 1: Write the proportion equation
211,043.62 : 316,736.12 = 163,546.08 : x - Step 2: Convert to fraction form
211,043.62/316,736.12 = 163,546.08/x - Step 3: Cross multiply
211,043.62x = 316,736.12 × 163,546.08 - Step 4: Simplify right side
211,043.62x = 51,800,950,820.41 - Step 5: Solve for x
x = 51,800,950,820.41/211,043.62 - Step 6: Final answer
x = 245,451.39
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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.