Finding the Fourth Proportional to 268,741.62, 370,858.74 and 146,229.87
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Solution
The fourth proportional to 268,741.62, 370,858.74 and 146,229.87 is: 201,794.66
Step by Step Solution
- Step 1: Write the proportion equation
268,741.62 : 370,858.74 = 146,229.87 : x - Step 2: Convert to fraction form
268,741.62/370,858.74 = 146,229.87/x - Step 3: Cross multiply
268,741.62x = 370,858.74 × 146,229.87 - Step 4: Simplify right side
268,741.62x = 54,230,624,496.21 - Step 5: Solve for x
x = 54,230,624,496.21/268,741.62 - Step 6: Final answer
x = 201,794.66
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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.