Finding the Fourth Proportional to 234,310.80, 351,512.10 and 76,496.88
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Solution
The fourth proportional to 234,310.80, 351,512.10 and 76,496.88 is: 114,760.31
Step by Step Solution
- Step 1: Write the proportion equation
234,310.80 : 351,512.10 = 76,496.88 : x - Step 2: Convert to fraction form
234,310.80/351,512.10 = 76,496.88/x - Step 3: Cross multiply
234,310.80x = 351,512.10 × 76,496.88 - Step 4: Simplify right side
234,310.80x = 26,889,578,932.25 - Step 5: Solve for x
x = 26,889,578,932.25/234,310.80 - Step 6: Final answer
x = 114,760.31
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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.