Finding the Fourth Proportional to 180,729.52, 270,724.92 and 84,529.06
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Solution
The fourth proportional to 180,729.52, 270,724.92 and 84,529.06 is: 126,620.84
Step by Step Solution
- Step 1: Write the proportion equation
180,729.52 : 270,724.92 = 84,529.06 : x - Step 2: Convert to fraction form
180,729.52/270,724.92 = 84,529.06/x - Step 3: Cross multiply
180,729.52x = 270,724.92 × 84,529.06 - Step 4: Simplify right side
180,729.52x = 22,884,123,006.18 - Step 5: Solve for x
x = 22,884,123,006.18/180,729.52 - Step 6: Final answer
x = 126,620.84
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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.