Finding the Fourth Proportional to 136,309.82, 204,452.98 and 82,987.99
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Solution
The fourth proportional to 136,309.82, 204,452.98 and 82,987.99 is: 124,474.83
Step by Step Solution
- Step 1: Write the proportion equation
136,309.82 : 204,452.98 = 82,987.99 : x - Step 2: Convert to fraction form
136,309.82/204,452.98 = 82,987.99/x - Step 3: Cross multiply
136,309.82x = 204,452.98 × 82,987.99 - Step 4: Simplify right side
136,309.82x = 16,967,141,859.71 - Step 5: Solve for x
x = 16,967,141,859.71/136,309.82 - Step 6: Final answer
x = 124,474.83
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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.