Finding the Fourth Proportional to 190,917.76, 263,461.92 and 106,034.08
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Solution
The fourth proportional to 190,917.76, 263,461.92 and 106,034.08 is: 146,324.48
Step by Step Solution
- Step 1: Write the proportion equation
190,917.76 : 263,461.92 = 106,034.08 : x - Step 2: Convert to fraction form
190,917.76/263,461.92 = 106,034.08/x - Step 3: Cross multiply
190,917.76x = 263,461.92 × 106,034.08 - Step 4: Simplify right side
190,917.76x = 27,935,942,302.23 - Step 5: Solve for x
x = 27,935,942,302.23/190,917.76 - Step 6: Final answer
x = 146,324.48
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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.