Finding the Fourth Proportional to 201,876.68, 278,528.14 and 116,977.34
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Solution
The fourth proportional to 201,876.68, 278,528.14 and 116,977.34 is: 161,392.99
Step by Step Solution
- Step 1: Write the proportion equation
201,876.68 : 278,528.14 = 116,977.34 : x - Step 2: Convert to fraction form
201,876.68/278,528.14 = 116,977.34/x - Step 3: Cross multiply
201,876.68x = 278,528.14 × 116,977.34 - Step 4: Simplify right side
201,876.68x = 32,581,480,932.35 - Step 5: Solve for x
x = 32,581,480,932.35/201,876.68 - Step 6: Final answer
x = 161,392.99
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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.