Finding the Fourth Proportional to 235,099.20, 324,440.76 and 133,121.96
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Solution
The fourth proportional to 235,099.20, 324,440.76 and 133,121.96 is: 183,710.49
Step by Step Solution
- Step 1: Write the proportion equation
235,099.20 : 324,440.76 = 133,121.96 : x - Step 2: Convert to fraction form
235,099.20/324,440.76 = 133,121.96/x - Step 3: Cross multiply
235,099.20x = 324,440.76 × 133,121.96 - Step 4: Simplify right side
235,099.20x = 43,190,189,875.09 - Step 5: Solve for x
x = 43,190,189,875.09/235,099.20 - Step 6: Final answer
x = 183,710.49
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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.