Finding the Fourth Proportional to 491,139.24, 677,767.28 and 273,344.28
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Solution
The fourth proportional to 491,139.24, 677,767.28 and 273,344.28 is: 377,212.39
Step by Step Solution
- Step 1: Write the proportion equation
491,139.24 : 677,767.28 = 273,344.28 : x - Step 2: Convert to fraction form
491,139.24/677,767.28 = 273,344.28/x - Step 3: Cross multiply
491,139.24x = 677,767.28 × 273,344.28 - Step 4: Simplify right side
491,139.24x = 185,263,807,792.44 - Step 5: Solve for x
x = 185,263,807,792.44/491,139.24 - Step 6: Final answer
x = 377,212.39
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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.