Finding the Fourth Proportional to 363,987.19, 545,982.09 and 111,266.68
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Solution
The fourth proportional to 363,987.19, 545,982.09 and 111,266.68 is: 166,900.42
Step by Step Solution
- Step 1: Write the proportion equation
363,987.19 : 545,982.09 = 111,266.68 : x - Step 2: Convert to fraction form
363,987.19/545,982.09 = 111,266.68/x - Step 3: Cross multiply
363,987.19x = 545,982.09 × 111,266.68 - Step 4: Simplify right side
363,987.19x = 60,749,614,493.76 - Step 5: Solve for x
x = 60,749,614,493.76/363,987.19 - Step 6: Final answer
x = 166,900.42
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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.