Finding the Fourth Proportional to 164,503.20, 246,754.80 and 122,512.80
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Solution
The fourth proportional to 164,503.20, 246,754.80 and 122,512.80 is: 183,769.20
Step by Step Solution
- Step 1: Write the proportion equation
164,503.20 : 246,754.80 = 122,512.80 : x - Step 2: Convert to fraction form
164,503.20/246,754.80 = 122,512.80/x - Step 3: Cross multiply
164,503.20x = 246,754.80 × 122,512.80 - Step 4: Simplify right side
164,503.20x = 30,230,621,461.44 - Step 5: Solve for x
x = 30,230,621,461.44/164,503.20 - Step 6: Final answer
x = 183,769.20
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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.