Finding the Fourth Proportional to 211,380.54, 316,714.17 and 104,622.12
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Solution
The fourth proportional to 211,380.54, 316,714.17 and 104,622.12 is: 156,756.66
Step by Step Solution
- Step 1: Write the proportion equation
211,380.54 : 316,714.17 = 104,622.12 : x - Step 2: Convert to fraction form
211,380.54/316,714.17 = 104,622.12/x - Step 3: Cross multiply
211,380.54x = 316,714.17 × 104,622.12 - Step 4: Simplify right side
211,380.54x = 33,135,307,899.44 - Step 5: Solve for x
x = 33,135,307,899.44/211,380.54 - Step 6: Final answer
x = 156,756.66
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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.