Finding the Fourth Proportional to 226,591.29, 339,979.14 and 145,628.96
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Solution
The fourth proportional to 226,591.29, 339,979.14 and 145,628.96 is: 218,502.69
Step by Step Solution
- Step 1: Write the proportion equation
226,591.29 : 339,979.14 = 145,628.96 : x - Step 2: Convert to fraction form
226,591.29/339,979.14 = 145,628.96/x - Step 3: Cross multiply
226,591.29x = 339,979.14 × 145,628.96 - Step 4: Simplify right side
226,591.29x = 49,510,806,880.00 - Step 5: Solve for x
x = 49,510,806,880.00/226,591.29 - Step 6: Final answer
x = 218,502.69
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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.