Finding the Fourth Proportional to 196,265.97, 294,439.19 and 76,320.09
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Solution
The fourth proportional to 196,265.97, 294,439.19 and 76,320.09 is: 114,495.78
Step by Step Solution
- Step 1: Write the proportion equation
196,265.97 : 294,439.19 = 76,320.09 : x - Step 2: Convert to fraction form
196,265.97/294,439.19 = 76,320.09/x - Step 3: Cross multiply
196,265.97x = 294,439.19 × 76,320.09 - Step 4: Simplify right side
196,265.97x = 22,471,625,098.73 - Step 5: Solve for x
x = 22,471,625,098.73/196,265.97 - Step 6: Final answer
x = 114,495.78
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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.