Finding the Fourth Proportional to 213,286.28, 319,987.87 and 93,321.48
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Solution
The fourth proportional to 213,286.28, 319,987.87 and 93,321.48 is: 140,007.80
Step by Step Solution
- Step 1: Write the proportion equation
213,286.28 : 319,987.87 = 93,321.48 : x - Step 2: Convert to fraction form
213,286.28/319,987.87 = 93,321.48/x - Step 3: Cross multiply
213,286.28x = 319,987.87 × 93,321.48 - Step 4: Simplify right side
213,286.28x = 29,861,742,577.10 - Step 5: Solve for x
x = 29,861,742,577.10/213,286.28 - Step 6: Final answer
x = 140,007.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.