Finding the Fourth Proportional to 211,205.03, 316,769.09 and 84,840.17
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Solution
The fourth proportional to 211,205.03, 316,769.09 and 84,840.17 is: 127,244.80
Step by Step Solution
- Step 1: Write the proportion equation
211,205.03 : 316,769.09 = 84,840.17 : x - Step 2: Convert to fraction form
211,205.03/316,769.09 = 84,840.17/x - Step 3: Cross multiply
211,205.03x = 316,769.09 × 84,840.17 - Step 4: Simplify right side
211,205.03x = 26,874,741,438.30 - Step 5: Solve for x
x = 26,874,741,438.30/211,205.03 - Step 6: Final answer
x = 127,244.80
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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.