Finding the Fourth Proportional to 154,812.26, 232,221.12 and 54,902.81
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Solution
The fourth proportional to 154,812.26, 232,221.12 and 54,902.81 is: 82,355.18
Step by Step Solution
- Step 1: Write the proportion equation
154,812.26 : 232,221.12 = 54,902.81 : x - Step 2: Convert to fraction form
154,812.26/232,221.12 = 54,902.81/x - Step 3: Cross multiply
154,812.26x = 232,221.12 × 54,902.81 - Step 4: Simplify right side
154,812.26x = 12,749,590,868.24 - Step 5: Solve for x
x = 12,749,590,868.24/154,812.26 - Step 6: Final answer
x = 82,355.18
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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.