Finding the Fourth Proportional to 190,986.96, 263,561.94 and 104,951.49
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Solution
The fourth proportional to 190,986.96, 263,561.94 and 104,951.49 is: 144,833.02
Step by Step Solution
- Step 1: Write the proportion equation
190,986.96 : 263,561.94 = 104,951.49 : x - Step 2: Convert to fraction form
190,986.96/263,561.94 = 104,951.49/x - Step 3: Cross multiply
190,986.96x = 263,561.94 × 104,951.49 - Step 4: Simplify right side
190,986.96x = 27,661,217,785.53 - Step 5: Solve for x
x = 27,661,217,785.53/190,986.96 - Step 6: Final answer
x = 144,833.02
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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.