Finding the Fourth Proportional to 135,636.77, 203,480.67 and 54,589.99
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Solution
The fourth proportional to 135,636.77, 203,480.67 and 54,589.99 is: 81,895.25
Step by Step Solution
- Step 1: Write the proportion equation
135,636.77 : 203,480.67 = 54,589.99 : x - Step 2: Convert to fraction form
135,636.77/203,480.67 = 54,589.99/x - Step 3: Cross multiply
135,636.77x = 203,480.67 × 54,589.99 - Step 4: Simplify right side
135,636.77x = 11,108,006,450.14 - Step 5: Solve for x
x = 11,108,006,450.14/135,636.77 - Step 6: Final answer
x = 81,895.25
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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.