Finding the Fourth Proportional to 188,891.54, 283,389.05 and 55,771.68
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Solution
The fourth proportional to 188,891.54, 283,389.05 and 55,771.68 is: 83,672.80
Step by Step Solution
- Step 1: Write the proportion equation
188,891.54 : 283,389.05 = 55,771.68 : x - Step 2: Convert to fraction form
188,891.54/283,389.05 = 55,771.68/x - Step 3: Cross multiply
188,891.54x = 283,389.05 × 55,771.68 - Step 4: Simplify right side
188,891.54x = 15,805,083,412.10 - Step 5: Solve for x
x = 15,805,083,412.10/188,891.54 - Step 6: Final answer
x = 83,672.80
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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.