Finding the Fourth Proportional to 203,192.97, 280,416.33 and 122,619.12
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Solution
The fourth proportional to 203,192.97, 280,416.33 and 122,619.12 is: 169,220.44
Step by Step Solution
- Step 1: Write the proportion equation
203,192.97 : 280,416.33 = 122,619.12 : x - Step 2: Convert to fraction form
203,192.97/280,416.33 = 122,619.12/x - Step 3: Cross multiply
203,192.97x = 280,416.33 × 122,619.12 - Step 4: Simplify right side
203,192.97x = 34,384,403,618.23 - Step 5: Solve for x
x = 34,384,403,618.23/203,192.97 - Step 6: Final answer
x = 169,220.44
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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.