Finding the Fourth Proportional to 213,660.40, 294,842.46 and 116,862.70
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Solution
The fourth proportional to 213,660.40, 294,842.46 and 116,862.70 is: 161,265.66
Step by Step Solution
- Step 1: Write the proportion equation
213,660.40 : 294,842.46 = 116,862.70 : x - Step 2: Convert to fraction form
213,660.40/294,842.46 = 116,862.70/x - Step 3: Cross multiply
213,660.40x = 294,842.46 × 116,862.70 - Step 4: Simplify right side
213,660.40x = 34,456,085,950.24 - Step 5: Solve for x
x = 34,456,085,950.24/213,660.40 - Step 6: Final answer
x = 161,265.66
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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.