Finding the Fourth Proportional to 117,728.26, 176,628.84 and 40,797.80
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Solution
The fourth proportional to 117,728.26, 176,628.84 and 40,797.80 is: 61,209.33
Step by Step Solution
- Step 1: Write the proportion equation
117,728.26 : 176,628.84 = 40,797.80 : x - Step 2: Convert to fraction form
117,728.26/176,628.84 = 40,797.80/x - Step 3: Cross multiply
117,728.26x = 176,628.84 × 40,797.80 - Step 4: Simplify right side
117,728.26x = 7,206,068,088.55 - Step 5: Solve for x
x = 7,206,068,088.55/117,728.26 - Step 6: Final answer
x = 61,209.33
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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.