Finding the Fourth Proportional to 119,035.62, 178,553.97 and 40,150.53
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Solution
The fourth proportional to 119,035.62, 178,553.97 and 40,150.53 is: 60,225.98
Step by Step Solution
- Step 1: Write the proportion equation
119,035.62 : 178,553.97 = 40,150.53 : x - Step 2: Convert to fraction form
119,035.62/178,553.97 = 40,150.53/x - Step 3: Cross multiply
119,035.62x = 178,553.97 × 40,150.53 - Step 4: Simplify right side
119,035.62x = 7,169,036,529.10 - Step 5: Solve for x
x = 7,169,036,529.10/119,035.62 - Step 6: Final answer
x = 60,225.98
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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.