Finding the Fourth Proportional to 260,158.93, 389,927.77 and 133,859.68
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Solution
The fourth proportional to 260,158.93, 389,927.77 and 133,859.68 is: 200,629.69
Step by Step Solution
- Step 1: Write the proportion equation
260,158.93 : 389,927.77 = 133,859.68 : x - Step 2: Convert to fraction form
260,158.93/389,927.77 = 133,859.68/x - Step 3: Cross multiply
260,158.93x = 389,927.77 × 133,859.68 - Step 4: Simplify right side
260,158.93x = 52,195,606,515.31 - Step 5: Solve for x
x = 52,195,606,515.31/260,158.93 - Step 6: Final answer
x = 200,629.69
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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.