Finding the Fourth Proportional to 162,811.80, 244,217.70 and 135,163.80
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Solution
The fourth proportional to 162,811.80, 244,217.70 and 135,163.80 is: 202,745.70
Step by Step Solution
- Step 1: Write the proportion equation
162,811.80 : 244,217.70 = 135,163.80 : x - Step 2: Convert to fraction form
162,811.80/244,217.70 = 135,163.80/x - Step 3: Cross multiply
162,811.80x = 244,217.70 × 135,163.80 - Step 4: Simplify right side
162,811.80x = 33,009,392,359.26 - Step 5: Solve for x
x = 33,009,392,359.26/162,811.80 - Step 6: Final answer
x = 202,745.70
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1.5x scale
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.