Finding the Fourth Proportional to 214,640.55, 321,963.80 and 64,882.08
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Solution
The fourth proportional to 214,640.55, 321,963.80 and 64,882.08 is: 97,324.02
Step by Step Solution
- Step 1: Write the proportion equation
214,640.55 : 321,963.80 = 64,882.08 : x - Step 2: Convert to fraction form
214,640.55/321,963.80 = 64,882.08/x - Step 3: Cross multiply
214,640.55x = 321,963.80 × 64,882.08 - Step 4: Simplify right side
214,640.55x = 20,889,680,704.29 - Step 5: Solve for x
x = 20,889,680,704.29/214,640.55 - Step 6: Final answer
x = 97,324.02
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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.