Finding the Fourth Proportional to 297,622.57, 410,722.17 and 161,659.18
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Solution
The fourth proportional to 297,622.57, 410,722.17 and 161,659.18 is: 223,091.31
Step by Step Solution
- Step 1: Write the proportion equation
297,622.57 : 410,722.17 = 161,659.18 : x - Step 2: Convert to fraction form
297,622.57/410,722.17 = 161,659.18/x - Step 3: Cross multiply
297,622.57x = 410,722.17 × 161,659.18 - Step 4: Simplify right side
297,622.57x = 66,397,009,210.02 - Step 5: Solve for x
x = 66,397,009,210.02/297,622.57 - Step 6: Final answer
x = 223,091.31
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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.