Finding the Fourth Proportional to 114,472.36, 157,966.36 and 63,481.09
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Solution
The fourth proportional to 114,472.36, 157,966.36 and 63,481.09 is: 87,600.86
Step by Step Solution
- Step 1: Write the proportion equation
114,472.36 : 157,966.36 = 63,481.09 : x - Step 2: Convert to fraction form
114,472.36/157,966.36 = 63,481.09/x - Step 3: Cross multiply
114,472.36x = 157,966.36 × 63,481.09 - Step 4: Simplify right side
114,472.36x = 10,027,876,716.13 - Step 5: Solve for x
x = 10,027,876,716.13/114,472.36 - Step 6: Final answer
x = 87,600.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.