Finding the Fourth Proportional to 163,247.20, 244,611.60 and 121,256.80
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Solution
The fourth proportional to 163,247.20, 244,611.60 and 121,256.80 is: 181,692.67
Step by Step Solution
- Step 1: Write the proportion equation
163,247.20 : 244,611.60 = 121,256.80 : x - Step 2: Convert to fraction form
163,247.20/244,611.60 = 121,256.80/x - Step 3: Cross multiply
163,247.20x = 244,611.60 × 121,256.80 - Step 4: Simplify right side
163,247.20x = 29,660,819,858.88 - Step 5: Solve for x
x = 29,660,819,858.88/163,247.20 - Step 6: Final answer
x = 181,692.67
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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.