Finding the Fourth Proportional to 305,887.43, 422,192.12 and 169,968.08
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Solution
The fourth proportional to 305,887.43, 422,192.12 and 169,968.08 is: 234,593.43
Step by Step Solution
- Step 1: Write the proportion equation
305,887.43 : 422,192.12 = 169,968.08 : x - Step 2: Convert to fraction form
305,887.43/422,192.12 = 169,968.08/x - Step 3: Cross multiply
305,887.43x = 422,192.12 × 169,968.08 - Step 4: Simplify right side
305,887.43x = 71,759,181,066.73 - Step 5: Solve for x
x = 71,759,181,066.73/305,887.43 - Step 6: Final answer
x = 234,593.43
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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.