Finding the Fourth Proportional to 225,896.09, 311,746.46 and 135,234.59
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Solution
The fourth proportional to 225,896.09, 311,746.46 and 135,234.59 is: 186,629.63
Step by Step Solution
- Step 1: Write the proportion equation
225,896.09 : 311,746.46 = 135,234.59 : x - Step 2: Convert to fraction form
225,896.09/311,746.46 = 135,234.59/x - Step 3: Cross multiply
225,896.09x = 311,746.46 × 135,234.59 - Step 4: Simplify right side
225,896.09x = 42,158,902,467.15 - Step 5: Solve for x
x = 42,158,902,467.15/225,896.09 - Step 6: Final answer
x = 186,629.63
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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.