Finding the Fourth Proportional to 276,949.48, 382,189.80 and 149,624.68
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Solution
The fourth proportional to 276,949.48, 382,189.80 and 149,624.68 is: 206,481.80
Step by Step Solution
- Step 1: Write the proportion equation
276,949.48 : 382,189.80 = 149,624.68 : x - Step 2: Convert to fraction form
276,949.48/382,189.80 = 149,624.68/x - Step 3: Cross multiply
276,949.48x = 382,189.80 × 149,624.68 - Step 4: Simplify right side
276,949.48x = 57,185,026,524.26 - Step 5: Solve for x
x = 57,185,026,524.26/276,949.48 - Step 6: Final answer
x = 206,481.80
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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.