Finding the Fourth Proportional to 198,119.12, 273,398.20 and 110,904.19
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Solution
The fourth proportional to 198,119.12, 273,398.20 and 110,904.19 is: 153,044.32
Step by Step Solution
- Step 1: Write the proportion equation
198,119.12 : 273,398.20 = 110,904.19 : x - Step 2: Convert to fraction form
198,119.12/273,398.20 = 110,904.19/x - Step 3: Cross multiply
198,119.12x = 273,398.20 × 110,904.19 - Step 4: Simplify right side
198,119.12x = 30,321,004,957.70 - Step 5: Solve for x
x = 30,321,004,957.70/198,119.12 - Step 6: Final answer
x = 153,044.32
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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.