Finding the Fourth Proportional to 508,163.46, 701,260.80 and 278,716.08
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Solution
The fourth proportional to 508,163.46, 701,260.80 and 278,716.08 is: 384,625.57
Step by Step Solution
- Step 1: Write the proportion equation
508,163.46 : 701,260.80 = 278,716.08 : x - Step 2: Convert to fraction form
508,163.46/701,260.80 = 278,716.08/x - Step 3: Cross multiply
508,163.46x = 701,260.80 × 278,716.08 - Step 4: Simplify right side
508,163.46x = 195,452,661,233.66 - Step 5: Solve for x
x = 195,452,661,233.66/508,163.46 - Step 6: Final answer
x = 384,625.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.