Finding the Fourth Proportional to 225,696.78, 311,453.91 and 130,201.02
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Solution
The fourth proportional to 225,696.78, 311,453.91 and 130,201.02 is: 179,673.00
Step by Step Solution
- Step 1: Write the proportion equation
225,696.78 : 311,453.91 = 130,201.02 : x - Step 2: Convert to fraction form
225,696.78/311,453.91 = 130,201.02/x - Step 3: Cross multiply
225,696.78x = 311,453.91 × 130,201.02 - Step 4: Simplify right side
225,696.78x = 40,551,616,764.99 - Step 5: Solve for x
x = 40,551,616,764.99/225,696.78 - Step 6: Final answer
x = 179,673.00
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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.