Finding the Fourth Proportional to 220,166.73, 330,145.99 and 85,293.97
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Solution
The fourth proportional to 220,166.73, 330,145.99 and 85,293.97 is: 127,900.62
Step by Step Solution
- Step 1: Write the proportion equation
220,166.73 : 330,145.99 = 85,293.97 : x - Step 2: Convert to fraction form
220,166.73/330,145.99 = 85,293.97/x - Step 3: Cross multiply
220,166.73x = 330,145.99 × 85,293.97 - Step 4: Simplify right side
220,166.73x = 28,159,462,685.98 - Step 5: Solve for x
x = 28,159,462,685.98/220,166.73 - Step 6: Final answer
x = 127,900.62
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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.