Finding the Fourth Proportional to 136,063.67, 204,113.99 and 47,305.69
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Solution
The fourth proportional to 136,063.67, 204,113.99 and 47,305.69 is: 70,964.96
Step by Step Solution
- Step 1: Write the proportion equation
136,063.67 : 204,113.99 = 47,305.69 : x - Step 2: Convert to fraction form
136,063.67/204,113.99 = 47,305.69/x - Step 3: Cross multiply
136,063.67x = 204,113.99 × 47,305.69 - Step 4: Simplify right side
136,063.67x = 9,655,753,135.60 - Step 5: Solve for x
x = 9,655,753,135.60/136,063.67 - Step 6: Final answer
x = 70,964.96
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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.