Finding the Fourth Proportional to 217,102.80, 325,711.80 and 76,846.80
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Solution
The fourth proportional to 217,102.80, 325,711.80 and 76,846.80 is: 115,290.59
Step by Step Solution
- Step 1: Write the proportion equation
217,102.80 : 325,711.80 = 76,846.80 : x - Step 2: Convert to fraction form
217,102.80/325,711.80 = 76,846.80/x - Step 3: Cross multiply
217,102.80x = 325,711.80 × 76,846.80 - Step 4: Simplify right side
217,102.80x = 25,029,909,552.24 - Step 5: Solve for x
x = 25,029,909,552.24/217,102.80 - Step 6: Final answer
x = 115,290.59
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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.