Finding the Fourth Proportional to 232,163.80, 348,245.70 and 74,408.20
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Solution
The fourth proportional to 232,163.80, 348,245.70 and 74,408.20 is: 111,612.30
Step by Step Solution
- Step 1: Write the proportion equation
232,163.80 : 348,245.70 = 74,408.20 : x - Step 2: Convert to fraction form
232,163.80/348,245.70 = 74,408.20/x - Step 3: Cross multiply
232,163.80x = 348,245.70 × 74,408.20 - Step 4: Simplify right side
232,163.80x = 25,912,335,694.74 - Step 5: Solve for x
x = 25,912,335,694.74/232,163.80 - Step 6: Final answer
x = 111,612.30
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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.