Finding the Fourth Proportional to 121,533.62, 182,287.58 and 32,781.64
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Solution
The fourth proportional to 121,533.62, 182,287.58 and 32,781.64 is: 49,168.99
Step by Step Solution
- Step 1: Write the proportion equation
121,533.62 : 182,287.58 = 32,781.64 : x - Step 2: Convert to fraction form
121,533.62/182,287.58 = 32,781.64/x - Step 3: Cross multiply
121,533.62x = 182,287.58 × 32,781.64 - Step 4: Simplify right side
121,533.62x = 5,975,685,824.03 - Step 5: Solve for x
x = 5,975,685,824.03/121,533.62 - Step 6: Final answer
x = 49,168.99
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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.