Finding the Fourth Proportional to 209,119.64, 288,574.29 and 113,626.08
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Solution
The fourth proportional to 209,119.64, 288,574.29 and 113,626.08 is: 156,798.12
Step by Step Solution
- Step 1: Write the proportion equation
209,119.64 : 288,574.29 = 113,626.08 : x - Step 2: Convert to fraction form
209,119.64/288,574.29 = 113,626.08/x - Step 3: Cross multiply
209,119.64x = 288,574.29 × 113,626.08 - Step 4: Simplify right side
209,119.64x = 32,789,565,361.48 - Step 5: Solve for x
x = 32,789,565,361.48/209,119.64 - Step 6: Final answer
x = 156,798.12
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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.