Finding the Fourth Proportional to 295,216.68, 407,403.72 and 161,080.68
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Solution
The fourth proportional to 295,216.68, 407,403.72 and 161,080.68 is: 222,293.90
Step by Step Solution
- Step 1: Write the proportion equation
295,216.68 : 407,403.72 = 161,080.68 : x - Step 2: Convert to fraction form
295,216.68/407,403.72 = 161,080.68/x - Step 3: Cross multiply
295,216.68x = 407,403.72 × 161,080.68 - Step 4: Simplify right side
295,216.68x = 65,624,868,252.13 - Step 5: Solve for x
x = 65,624,868,252.13/295,216.68 - Step 6: Final answer
x = 222,293.90
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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.