Finding the Fourth Proportional to 235,153.68, 324,324.32 and 154,663.84
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Solution
The fourth proportional to 235,153.68, 324,324.32 and 154,663.84 is: 213,312.61
Step by Step Solution
- Step 1: Write the proportion equation
235,153.68 : 324,324.32 = 154,663.84 : x - Step 2: Convert to fraction form
235,153.68/324,324.32 = 154,663.84/x - Step 3: Cross multiply
235,153.68x = 324,324.32 × 154,663.84 - Step 4: Simplify right side
235,153.68x = 50,161,244,736.59 - Step 5: Solve for x
x = 50,161,244,736.59/235,153.68 - Step 6: Final answer
x = 213,312.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.