Finding the Fourth Proportional to 183,278.42, 252,913.79 and 106,809.97
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Solution
The fourth proportional to 183,278.42, 252,913.79 and 106,809.97 is: 147,391.68
Step by Step Solution
- Step 1: Write the proportion equation
183,278.42 : 252,913.79 = 106,809.97 : x - Step 2: Convert to fraction form
183,278.42/252,913.79 = 106,809.97/x - Step 3: Cross multiply
183,278.42x = 252,913.79 × 106,809.97 - Step 4: Simplify right side
183,278.42x = 27,013,713,720.12 - Step 5: Solve for x
x = 27,013,713,720.12/183,278.42 - Step 6: Final answer
x = 147,391.68
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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.