Finding the Fourth Proportional to 221,833.36, 306,277.84 and 131,218.44
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Solution
The fourth proportional to 221,833.36, 306,277.84 and 131,218.44 is: 181,168.88
Step by Step Solution
- Step 1: Write the proportion equation
221,833.36 : 306,277.84 = 131,218.44 : x - Step 2: Convert to fraction form
221,833.36/306,277.84 = 131,218.44/x - Step 3: Cross multiply
221,833.36x = 306,277.84 × 131,218.44 - Step 4: Simplify right side
221,833.36x = 40,189,300,371.37 - Step 5: Solve for x
x = 40,189,300,371.37/221,833.36 - Step 6: Final answer
x = 181,168.88
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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.