Finding the Fourth Proportional to 126,165.24, 189,194.40 and 47,224.44
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Solution
The fourth proportional to 126,165.24, 189,194.40 and 47,224.44 is: 70,816.65
Step by Step Solution
- Step 1: Write the proportion equation
126,165.24 : 189,194.40 = 47,224.44 : x - Step 2: Convert to fraction form
126,165.24/189,194.40 = 47,224.44/x - Step 3: Cross multiply
126,165.24x = 189,194.40 × 47,224.44 - Step 4: Simplify right side
126,165.24x = 8,934,599,591.14 - Step 5: Solve for x
x = 8,934,599,591.14/126,165.24 - Step 6: Final answer
x = 70,816.65
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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.