Finding the Fourth Proportional to 80,823.24, 121,244.92 and 27,511.13
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Solution
The fourth proportional to 80,823.24, 121,244.92 and 27,511.13 is: 41,270.12
Step by Step Solution
- Step 1: Write the proportion equation
80,823.24 : 121,244.92 = 27,511.13 : x - Step 2: Convert to fraction form
80,823.24/121,244.92 = 27,511.13/x - Step 3: Cross multiply
80,823.24x = 121,244.92 × 27,511.13 - Step 4: Simplify right side
80,823.24x = 3,335,584,755.96 - Step 5: Solve for x
x = 3,335,584,755.96/80,823.24 - Step 6: Final answer
x = 41,270.12
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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.