Finding the Fourth Proportional to 297,543.09, 410,612.44 and 161,578.21
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Solution
The fourth proportional to 297,543.09, 410,612.44 and 161,578.21 is: 222,979.55
Step by Step Solution
- Step 1: Write the proportion equation
297,543.09 : 410,612.44 = 161,578.21 : x - Step 2: Convert to fraction form
297,543.09/410,612.44 = 161,578.21/x - Step 3: Cross multiply
297,543.09x = 410,612.44 × 161,578.21 - Step 4: Simplify right side
297,543.09x = 66,346,022,701.31 - Step 5: Solve for x
x = 66,346,022,701.31/297,543.09 - Step 6: Final answer
x = 222,979.55
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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.