Finding the Fourth Proportional to 138,105.24, 207,160.56 and 43,333.44
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Solution
The fourth proportional to 138,105.24, 207,160.56 and 43,333.44 is: 65,001.01
Step by Step Solution
- Step 1: Write the proportion equation
138,105.24 : 207,160.56 = 43,333.44 : x - Step 2: Convert to fraction form
138,105.24/207,160.56 = 43,333.44/x - Step 3: Cross multiply
138,105.24x = 207,160.56 × 43,333.44 - Step 4: Simplify right side
138,105.24x = 8,976,979,697.13 - Step 5: Solve for x
x = 8,976,979,697.13/138,105.24 - Step 6: Final answer
x = 65,001.01
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1.5x scale
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.