Finding the Fourth Proportional to 252,476.48, 378,977.28 and 185,991.68
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Solution
The fourth proportional to 252,476.48, 378,977.28 and 185,991.68 is: 279,180.94
Step by Step Solution
- Step 1: Write the proportion equation
252,476.48 : 378,977.28 = 185,991.68 : x - Step 2: Convert to fraction form
252,476.48/378,977.28 = 185,991.68/x - Step 3: Cross multiply
252,476.48x = 378,977.28 × 185,991.68 - Step 4: Simplify right side
252,476.48x = 70,486,620,989.03 - Step 5: Solve for x
x = 70,486,620,989.03/252,476.48 - Step 6: Final answer
x = 279,180.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.