Finding the Fourth Proportional to 237,672.18, 327,987.92 and 130,246.14
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Solution
The fourth proportional to 237,672.18, 327,987.92 and 130,246.14 is: 179,739.84
Step by Step Solution
- Step 1: Write the proportion equation
237,672.18 : 327,987.92 = 130,246.14 : x - Step 2: Convert to fraction form
237,672.18/327,987.92 = 130,246.14/x - Step 3: Cross multiply
237,672.18x = 327,987.92 × 130,246.14 - Step 4: Simplify right side
237,672.18x = 42,719,160,546.63 - Step 5: Solve for x
x = 42,719,160,546.63/237,672.18 - Step 6: Final answer
x = 179,739.84
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1.5x scale
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.