Finding the Fourth Proportional to 126,372.24, 189,350.84 and 43,220.88
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Solution
The fourth proportional to 126,372.24, 189,350.84 and 43,220.88 is: 64,760.35
Step by Step Solution
- Step 1: Write the proportion equation
126,372.24 : 189,350.84 = 43,220.88 : x - Step 2: Convert to fraction form
126,372.24/189,350.84 = 43,220.88/x - Step 3: Cross multiply
126,372.24x = 189,350.84 × 43,220.88 - Step 4: Simplify right side
126,372.24x = 8,183,909,933.54 - Step 5: Solve for x
x = 8,183,909,933.54/126,372.24 - Step 6: Final answer
x = 64,760.35
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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.