Finding the Fourth Proportional to 223,858.56, 335,822.40 and 76,080
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Solution
The fourth proportional to 223,858.56, 335,822.40 and 76,080 is: 114,131.75
Step by Step Solution
- Step 1: Write the proportion equation
223,858.56 : 335,822.40 = 76,080 : x - Step 2: Convert to fraction form
223,858.56/335,822.40 = 76,080/x - Step 3: Cross multiply
223,858.56x = 335,822.40 × 76,080 - Step 4: Simplify right side
223,858.56x = 25,549,368,192 - Step 5: Solve for x
x = 25,549,368,192/223,858.56 - Step 6: Final answer
x = 114,131.75
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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.