Finding the Fourth Proportional to 211,142.58, 316,715.97 and 53,371.08
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Solution
The fourth proportional to 211,142.58, 316,715.97 and 53,371.08 is: 80,057.15
Step by Step Solution
- Step 1: Write the proportion equation
211,142.58 : 316,715.97 = 53,371.08 : x - Step 2: Convert to fraction form
211,142.58/316,715.97 = 53,371.08/x - Step 3: Cross multiply
211,142.58x = 316,715.97 × 53,371.08 - Step 4: Simplify right side
211,142.58x = 16,903,473,372.15 - Step 5: Solve for x
x = 16,903,473,372.15/211,142.58 - Step 6: Final answer
x = 80,057.15
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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.