Finding the Fourth Proportional to 135,006.75, 202,520.12 and 51,900.75
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Solution
The fourth proportional to 135,006.75, 202,520.12 and 51,900.75 is: 77,854.97
Step by Step Solution
- Step 1: Write the proportion equation
135,006.75 : 202,520.12 = 51,900.75 : x - Step 2: Convert to fraction form
135,006.75/202,520.12 = 51,900.75/x - Step 3: Cross multiply
135,006.75x = 202,520.12 × 51,900.75 - Step 4: Simplify right side
135,006.75x = 10,510,945,858.59 - Step 5: Solve for x
x = 10,510,945,858.59/135,006.75 - Step 6: Final answer
x = 77,854.97
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1.5x scale
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.