Finding the Fourth Proportional to 303,589.19, 455,489.49 and 135,229.07
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Solution
The fourth proportional to 303,589.19, 455,489.49 and 135,229.07 is: 202,890.69
Step by Step Solution
- Step 1: Write the proportion equation
303,589.19 : 455,489.49 = 135,229.07 : x - Step 2: Convert to fraction form
303,589.19/455,489.49 = 135,229.07/x - Step 3: Cross multiply
303,589.19x = 455,489.49 × 135,229.07 - Step 4: Simplify right side
303,589.19x = 61,595,420,127.47 - Step 5: Solve for x
x = 61,595,420,127.47/303,589.19 - Step 6: Final answer
x = 202,890.69
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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.