Finding the Fourth Proportional to 149,532.98, 206,341.17 and 82,460.66
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Solution
The fourth proportional to 149,532.98, 206,341.17 and 82,460.66 is: 113,787.80
Step by Step Solution
- Step 1: Write the proportion equation
149,532.98 : 206,341.17 = 82,460.66 : x - Step 2: Convert to fraction form
149,532.98/206,341.17 = 82,460.66/x - Step 3: Cross multiply
149,532.98x = 206,341.17 × 82,460.66 - Step 4: Simplify right side
149,532.98x = 17,015,029,063.37 - Step 5: Solve for x
x = 17,015,029,063.37/149,532.98 - Step 6: Final answer
x = 113,787.80
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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.