Finding the Fourth Proportional to 183,007.80, 252,708.36 and 115,137.88
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Solution
The fourth proportional to 183,007.80, 252,708.36 and 115,137.88 is: 158,989.42
Step by Step Solution
- Step 1: Write the proportion equation
183,007.80 : 252,708.36 = 115,137.88 : x - Step 2: Convert to fraction form
183,007.80/252,708.36 = 115,137.88/x - Step 3: Cross multiply
183,007.80x = 252,708.36 × 115,137.88 - Step 4: Simplify right side
183,007.80x = 29,096,304,828.68 - Step 5: Solve for x
x = 29,096,304,828.68/183,007.80 - Step 6: Final answer
x = 158,989.42
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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.