Finding the Fourth Proportional to 200,558.12, 276,770.08 and 119,988.92
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Solution
The fourth proportional to 200,558.12, 276,770.08 and 119,988.92 is: 165,584.63
Step by Step Solution
- Step 1: Write the proportion equation
200,558.12 : 276,770.08 = 119,988.92 : x - Step 2: Convert to fraction form
200,558.12/276,770.08 = 119,988.92/x - Step 3: Cross multiply
200,558.12x = 276,770.08 × 119,988.92 - Step 4: Simplify right side
200,558.12x = 33,209,342,987.51 - Step 5: Solve for x
x = 33,209,342,987.51/200,558.12 - Step 6: Final answer
x = 165,584.63
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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.