Finding the Fourth Proportional to 344,172.25, 516,081.10 and 154,469.99
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Solution
The fourth proportional to 344,172.25, 516,081.10 and 154,469.99 is: 231,625.42
Step by Step Solution
- Step 1: Write the proportion equation
344,172.25 : 516,081.10 = 154,469.99 : x - Step 2: Convert to fraction form
344,172.25/516,081.10 = 154,469.99/x - Step 3: Cross multiply
344,172.25x = 516,081.10 × 154,469.99 - Step 4: Simplify right side
344,172.25x = 79,719,041,452.16 - Step 5: Solve for x
x = 79,719,041,452.16/344,172.25 - Step 6: Final answer
x = 231,625.42
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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.