Finding the Fourth Proportional to 325,633.99, 449,388.71 and 189,646.03
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Solution
The fourth proportional to 325,633.99, 449,388.71 and 189,646.03 is: 261,719.56
Step by Step Solution
- Step 1: Write the proportion equation
325,633.99 : 449,388.71 = 189,646.03 : x - Step 2: Convert to fraction form
325,633.99/449,388.71 = 189,646.03/x - Step 3: Cross multiply
325,633.99x = 449,388.71 × 189,646.03 - Step 4: Simplify right side
325,633.99x = 85,224,784,778.32 - Step 5: Solve for x
x = 85,224,784,778.32/325,633.99 - Step 6: Final answer
x = 261,719.56
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1.5x scale
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.