Finding the Fourth Proportional to 132,596.33, 198,577.91 and 76,318.14
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Solution
The fourth proportional to 132,596.33, 198,577.91 and 76,318.14 is: 114,294.99
Step by Step Solution
- Step 1: Write the proportion equation
132,596.33 : 198,577.91 = 76,318.14 : x - Step 2: Convert to fraction form
132,596.33/198,577.91 = 76,318.14/x - Step 3: Cross multiply
132,596.33x = 198,577.91 × 76,318.14 - Step 4: Simplify right side
132,596.33x = 15,155,096,545.49 - Step 5: Solve for x
x = 15,155,096,545.49/132,596.33 - Step 6: Final answer
x = 114,294.99
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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.