Finding the Fourth Proportional to 317,729.66, 476,363.70 and 149,163.26
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Solution
The fourth proportional to 317,729.66, 476,363.70 and 149,163.26 is: 223,636.54
Step by Step Solution
- Step 1: Write the proportion equation
317,729.66 : 476,363.70 = 149,163.26 : x - Step 2: Convert to fraction form
317,729.66/476,363.70 = 149,163.26/x - Step 3: Cross multiply
317,729.66x = 476,363.70 × 149,163.26 - Step 4: Simplify right side
317,729.66x = 71,055,960,055.84 - Step 5: Solve for x
x = 71,055,960,055.84/317,729.66 - Step 6: Final answer
x = 223,636.54
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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.