Finding the Fourth Proportional to 211,584.87, 317,397.76 and 61,821.74
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Solution
The fourth proportional to 211,584.87, 317,397.76 and 61,821.74 is: 92,738.59
Step by Step Solution
- Step 1: Write the proportion equation
211,584.87 : 317,397.76 = 61,821.74 : x - Step 2: Convert to fraction form
211,584.87/317,397.76 = 61,821.74/x - Step 3: Cross multiply
211,584.87x = 317,397.76 × 61,821.74 - Step 4: Simplify right side
211,584.87x = 19,622,082,434.24 - Step 5: Solve for x
x = 19,622,082,434.24/211,584.87 - Step 6: Final answer
x = 92,738.59
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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.