Finding the Fourth Proportional to 217,794.47, 326,704.01 and 77,553.09
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Solution
The fourth proportional to 217,794.47, 326,704.01 and 77,553.09 is: 116,334.02
Step by Step Solution
- Step 1: Write the proportion equation
217,794.47 : 326,704.01 = 77,553.09 : x - Step 2: Convert to fraction form
217,794.47/326,704.01 = 77,553.09/x - Step 3: Cross multiply
217,794.47x = 326,704.01 × 77,553.09 - Step 4: Simplify right side
217,794.47x = 25,336,905,103.13 - Step 5: Solve for x
x = 25,336,905,103.13/217,794.47 - Step 6: Final answer
x = 116,334.02
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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.