Finding the Fourth Proportional to 201,987.67, 302,989.17 and 75,614.62
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Solution
The fourth proportional to 201,987.67, 302,989.17 and 75,614.62 is: 113,424.80
Step by Step Solution
- Step 1: Write the proportion equation
201,987.67 : 302,989.17 = 75,614.62 : x - Step 2: Convert to fraction form
201,987.67/302,989.17 = 75,614.62/x - Step 3: Cross multiply
201,987.67x = 302,989.17 × 75,614.62 - Step 4: Simplify right side
201,987.67x = 22,910,410,953.67 - Step 5: Solve for x
x = 22,910,410,953.67/201,987.67 - Step 6: Final answer
x = 113,424.80
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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.