Finding the Fourth Proportional to 218,044.70, 326,824.05 and 84,880.70
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Solution
The fourth proportional to 218,044.70, 326,824.05 and 84,880.70 is: 127,226.45
Step by Step Solution
- Step 1: Write the proportion equation
218,044.70 : 326,824.05 = 84,880.70 : x - Step 2: Convert to fraction form
218,044.70/326,824.05 = 84,880.70/x - Step 3: Cross multiply
218,044.70x = 326,824.05 × 84,880.70 - Step 4: Simplify right side
218,044.70x = 27,741,054,140.84 - Step 5: Solve for x
x = 27,741,054,140.84/218,044.70 - Step 6: Final answer
x = 127,226.45
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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.