Finding the Fourth Proportional to 237,331.25, 327,514.36 and 128,433.08
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Solution
The fourth proportional to 237,331.25, 327,514.36 and 128,433.08 is: 177,236.14
Step by Step Solution
- Step 1: Write the proportion equation
237,331.25 : 327,514.36 = 128,433.08 : x - Step 2: Convert to fraction form
237,331.25/327,514.36 = 128,433.08/x - Step 3: Cross multiply
237,331.25x = 327,514.36 × 128,433.08 - Step 4: Simplify right side
237,331.25x = 42,063,676,040.37 - Step 5: Solve for x
x = 42,063,676,040.37/237,331.25 - Step 6: Final answer
x = 177,236.14
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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.