Finding the Fourth Proportional to 221,908.27, 306,232.69 and 119,933.41
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Solution
The fourth proportional to 221,908.27, 306,232.69 and 119,933.41 is: 165,507.72
Step by Step Solution
- Step 1: Write the proportion equation
221,908.27 : 306,232.69 = 119,933.41 : x - Step 2: Convert to fraction form
221,908.27/306,232.69 = 119,933.41/x - Step 3: Cross multiply
221,908.27x = 306,232.69 × 119,933.41 - Step 4: Simplify right side
221,908.27x = 36,727,531,878.44 - Step 5: Solve for x
x = 36,727,531,878.44/221,908.27 - Step 6: Final answer
x = 165,507.72
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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.