Finding the Fourth Proportional to 232,729.20, 321,318.36 and 178,914.96
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Solution
The fourth proportional to 232,729.20, 321,318.36 and 178,914.96 is: 247,019.55
Step by Step Solution
- Step 1: Write the proportion equation
232,729.20 : 321,318.36 = 178,914.96 : x - Step 2: Convert to fraction form
232,729.20/321,318.36 = 178,914.96/x - Step 3: Cross multiply
232,729.20x = 321,318.36 × 178,914.96 - Step 4: Simplify right side
232,729.20x = 57,488,661,526.67 - Step 5: Solve for x
x = 57,488,661,526.67/232,729.20 - Step 6: Final answer
x = 247,019.55
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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.