Finding the Fourth Proportional to 225,837.36, 311,651.64 and 125,236.08
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Solution
The fourth proportional to 225,837.36, 311,651.64 and 125,236.08 is: 172,823.62
Step by Step Solution
- Step 1: Write the proportion equation
225,837.36 : 311,651.64 = 125,236.08 : x - Step 2: Convert to fraction form
225,837.36/311,651.64 = 125,236.08/x - Step 3: Cross multiply
225,837.36x = 311,651.64 × 125,236.08 - Step 4: Simplify right side
225,837.36x = 39,030,029,719.17 - Step 5: Solve for x
x = 39,030,029,719.17/225,837.36 - Step 6: Final answer
x = 172,823.62
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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.