Finding the Fourth Proportional to 86,497.33, 129,734.85 and 27,338.98
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Solution
The fourth proportional to 86,497.33, 129,734.85 and 27,338.98 is: 41,004.95
Step by Step Solution
- Step 1: Write the proportion equation
86,497.33 : 129,734.85 = 27,338.98 : x - Step 2: Convert to fraction form
86,497.33/129,734.85 = 27,338.98/x - Step 3: Cross multiply
86,497.33x = 129,734.85 × 27,338.98 - Step 4: Simplify right side
86,497.33x = 3,546,818,469.45 - Step 5: Solve for x
x = 3,546,818,469.45/86,497.33 - Step 6: Final answer
x = 41,004.95
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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.