Finding the Fourth Proportional to 201,576.88, 278,118.39 and 129,997.99
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Solution
The fourth proportional to 201,576.88, 278,118.39 and 129,997.99 is: 179,360.01
Step by Step Solution
- Step 1: Write the proportion equation
201,576.88 : 278,118.39 = 129,997.99 : x - Step 2: Convert to fraction form
201,576.88/278,118.39 = 129,997.99/x - Step 3: Cross multiply
201,576.88x = 278,118.39 × 129,997.99 - Step 4: Simplify right side
201,576.88x = 36,154,831,682.04 - Step 5: Solve for x
x = 36,154,831,682.04/201,576.88 - Step 6: Final answer
x = 179,360.01
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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.