Finding the Fourth Proportional to 173,621.20, 260,604.60 and 84,974.80
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Solution
The fourth proportional to 173,621.20, 260,604.60 and 84,974.80 is: 127,546.77
Step by Step Solution
- Step 1: Write the proportion equation
173,621.20 : 260,604.60 = 84,974.80 : x - Step 2: Convert to fraction form
173,621.20/260,604.60 = 84,974.80/x - Step 3: Cross multiply
173,621.20x = 260,604.60 × 84,974.80 - Step 4: Simplify right side
173,621.20x = 22,144,823,764.08 - Step 5: Solve for x
x = 22,144,823,764.08/173,621.20 - Step 6: Final answer
x = 127,546.77
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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.