Finding the Fourth Proportional to 322,636.98, 445,244.12 and 177,449.07
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Solution
The fourth proportional to 322,636.98, 445,244.12 and 177,449.07 is: 244,882.51
Step by Step Solution
- Step 1: Write the proportion equation
322,636.98 : 445,244.12 = 177,449.07 : x - Step 2: Convert to fraction form
322,636.98/445,244.12 = 177,449.07/x - Step 3: Cross multiply
322,636.98x = 445,244.12 × 177,449.07 - Step 4: Simplify right side
322,636.98x = 79,008,155,016.97 - Step 5: Solve for x
x = 79,008,155,016.97/322,636.98 - Step 6: Final answer
x = 244,882.51
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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.