Finding the Fourth Proportional to 363,419.36, 545,219.76 and 126,765.44
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Solution
The fourth proportional to 363,419.36, 545,219.76 and 126,765.44 is: 190,179.80
Step by Step Solution
- Step 1: Write the proportion equation
363,419.36 : 545,219.76 = 126,765.44 : x - Step 2: Convert to fraction form
363,419.36/545,219.76 = 126,765.44/x - Step 3: Cross multiply
363,419.36x = 545,219.76 × 126,765.44 - Step 4: Simplify right side
363,419.36x = 69,115,022,773.09 - Step 5: Solve for x
x = 69,115,022,773.09/363,419.36 - Step 6: Final answer
x = 190,179.80
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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.