Finding the Fourth Proportional to 289,921.44, 399,921.68 and 182,320.80
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Solution
The fourth proportional to 289,921.44, 399,921.68 and 182,320.80 is: 251,495.86
Step by Step Solution
- Step 1: Write the proportion equation
289,921.44 : 399,921.68 = 182,320.80 : x - Step 2: Convert to fraction form
289,921.44/399,921.68 = 182,320.80/x - Step 3: Cross multiply
289,921.44x = 399,921.68 × 182,320.80 - Step 4: Simplify right side
289,921.44x = 72,914,040,634.94 - Step 5: Solve for x
x = 72,914,040,634.94/289,921.44 - Step 6: Final answer
x = 251,495.86
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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.