Finding the Fourth Proportional to 122,296.20, 168,776.82 and 68,584.68
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Solution
The fourth proportional to 122,296.20, 168,776.82 and 68,584.68 is: 94,651.38
Step by Step Solution
- Step 1: Write the proportion equation
122,296.20 : 168,776.82 = 68,584.68 : x - Step 2: Convert to fraction form
122,296.20/168,776.82 = 68,584.68/x - Step 3: Cross multiply
122,296.20x = 168,776.82 × 68,584.68 - Step 4: Simplify right side
122,296.20x = 11,575,504,191.12 - Step 5: Solve for x
x = 11,575,504,191.12/122,296.20 - Step 6: Final answer
x = 94,651.38
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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.