Finding the Fourth Proportional to 317,750.09, 476,519.29 and 128,161.49
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Solution
The fourth proportional to 317,750.09, 476,519.29 and 128,161.49 is: 192,199.54
Step by Step Solution
- Step 1: Write the proportion equation
317,750.09 : 476,519.29 = 128,161.49 : x - Step 2: Convert to fraction form
317,750.09/476,519.29 = 128,161.49/x - Step 3: Cross multiply
317,750.09x = 476,519.29 × 128,161.49 - Step 4: Simplify right side
317,750.09x = 61,071,419,517.14 - Step 5: Solve for x
x = 61,071,419,517.14/317,750.09 - Step 6: Final answer
x = 192,199.54
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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.