Finding the Fourth Proportional to 220,664.44, 330,706.14 and 87,472.09
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Solution
The fourth proportional to 220,664.44, 330,706.14 and 87,472.09 is: 131,092.97
Step by Step Solution
- Step 1: Write the proportion equation
220,664.44 : 330,706.14 = 87,472.09 : x - Step 2: Convert to fraction form
220,664.44/330,706.14 = 87,472.09/x - Step 3: Cross multiply
220,664.44x = 330,706.14 × 87,472.09 - Step 4: Simplify right side
220,664.44x = 28,927,557,241.63 - Step 5: Solve for x
x = 28,927,557,241.63/220,664.44 - Step 6: Final answer
x = 131,092.97
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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.