Finding the Fourth Proportional to 179,879.18, 248,265.76 and 107,286.74
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Solution
The fourth proportional to 179,879.18, 248,265.76 and 107,286.74 is: 148,075.08
Step by Step Solution
- Step 1: Write the proportion equation
179,879.18 : 248,265.76 = 107,286.74 : x - Step 2: Convert to fraction form
179,879.18/248,265.76 = 107,286.74/x - Step 3: Cross multiply
179,879.18x = 248,265.76 × 107,286.74 - Step 4: Simplify right side
179,879.18x = 26,635,624,044.02 - Step 5: Solve for x
x = 26,635,624,044.02/179,879.18 - Step 6: Final answer
x = 148,075.08
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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.