Finding the Fourth Proportional to 342,209.13, 513,313.69 and 92,891.13
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Solution
The fourth proportional to 342,209.13, 513,313.69 and 92,891.13 is: 139,336.69
Step by Step Solution
- Step 1: Write the proportion equation
342,209.13 : 513,313.69 = 92,891.13 : x - Step 2: Convert to fraction form
342,209.13/513,313.69 = 92,891.13/x - Step 3: Cross multiply
342,209.13x = 513,313.69 × 92,891.13 - Step 4: Simplify right side
342,209.13x = 47,682,288,708.57 - Step 5: Solve for x
x = 47,682,288,708.57/342,209.13 - Step 6: Final answer
x = 139,336.69
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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.