Finding the Fourth Proportional to 189,000.20, 283,208.70 and 163,922.60
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Solution
The fourth proportional to 189,000.20, 283,208.70 and 163,922.60 is: 245,630.99
Step by Step Solution
- Step 1: Write the proportion equation
189,000.20 : 283,208.70 = 163,922.60 : x - Step 2: Convert to fraction form
189,000.20/283,208.70 = 163,922.60/x - Step 3: Cross multiply
189,000.20x = 283,208.70 × 163,922.60 - Step 4: Simplify right side
189,000.20x = 46,424,306,446.62 - Step 5: Solve for x
x = 46,424,306,446.62/189,000.20 - Step 6: Final answer
x = 245,630.99
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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.