Finding the Fourth Proportional to 211,512.84, 291,906.12 and 116,037.96
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Solution
The fourth proportional to 211,512.84, 291,906.12 and 116,037.96 is: 160,142.48
Step by Step Solution
- Step 1: Write the proportion equation
211,512.84 : 291,906.12 = 116,037.96 : x - Step 2: Convert to fraction form
211,512.84/291,906.12 = 116,037.96/x - Step 3: Cross multiply
211,512.84x = 291,906.12 × 116,037.96 - Step 4: Simplify right side
211,512.84x = 33,872,190,676.32 - Step 5: Solve for x
x = 33,872,190,676.32/211,512.84 - Step 6: Final answer
x = 160,142.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.