Finding the Fourth Proportional to 116,224.35, 160,391.31 and 112,201.62
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Solution
The fourth proportional to 116,224.35, 160,391.31 and 112,201.62 is: 154,839.88
Step by Step Solution
- Step 1: Write the proportion equation
116,224.35 : 160,391.31 = 112,201.62 : x - Step 2: Convert to fraction form
116,224.35/160,391.31 = 112,201.62/x - Step 3: Cross multiply
116,224.35x = 160,391.31 × 112,201.62 - Step 4: Simplify right side
116,224.35x = 17,996,164,815.92 - Step 5: Solve for x
x = 17,996,164,815.92/116,224.35 - Step 6: Final answer
x = 154,839.88
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1.5x scale
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.