Finding the Fourth Proportional to 149,540.36, 206,359.99 and 82,472.36
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Solution
The fourth proportional to 149,540.36, 206,359.99 and 82,472.36 is: 113,808.70
Step by Step Solution
- Step 1: Write the proportion equation
149,540.36 : 206,359.99 = 82,472.36 : x - Step 2: Convert to fraction form
149,540.36/206,359.99 = 82,472.36/x - Step 3: Cross multiply
149,540.36x = 206,359.99 × 82,472.36 - Step 4: Simplify right side
149,540.36x = 17,018,994,146.90 - Step 5: Solve for x
x = 17,018,994,146.90/149,540.36 - Step 6: Final answer
x = 113,808.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.