Finding the Fourth Proportional to 281,750.22, 422,491.55 and 163,457.82
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Solution
The fourth proportional to 281,750.22, 422,491.55 and 163,457.82 is: 245,109.11
Step by Step Solution
- Step 1: Write the proportion equation
281,750.22 : 422,491.55 = 163,457.82 : x - Step 2: Convert to fraction form
281,750.22/422,491.55 = 163,457.82/x - Step 3: Cross multiply
281,750.22x = 422,491.55 × 163,457.82 - Step 4: Simplify right side
281,750.22x = 69,059,546,914.13 - Step 5: Solve for x
x = 69,059,546,914.13/281,750.22 - Step 6: Final answer
x = 245,109.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.