Finding the Fourth Proportional to 295,286.13, 407,441.21 and 174,447.09
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Solution
The fourth proportional to 295,286.13, 407,441.21 and 174,447.09 is: 240,705.29
Step by Step Solution
- Step 1: Write the proportion equation
295,286.13 : 407,441.21 = 174,447.09 : x - Step 2: Convert to fraction form
295,286.13/407,441.21 = 174,447.09/x - Step 3: Cross multiply
295,286.13x = 407,441.21 × 174,447.09 - Step 4: Simplify right side
295,286.13x = 71,076,932,558.34 - Step 5: Solve for x
x = 71,076,932,558.34/295,286.13 - Step 6: Final answer
x = 240,705.29
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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.