Finding the Fourth Proportional to 221,926.44, 306,236.52 and 126,427.44
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Solution
The fourth proportional to 221,926.44, 306,236.52 and 126,427.44 is: 174,457.35
Step by Step Solution
- Step 1: Write the proportion equation
221,926.44 : 306,236.52 = 126,427.44 : x - Step 2: Convert to fraction form
221,926.44/306,236.52 = 126,427.44/x - Step 3: Cross multiply
221,926.44x = 306,236.52 × 126,427.44 - Step 4: Simplify right side
221,926.44x = 38,716,699,258.11 - Step 5: Solve for x
x = 38,716,699,258.11/221,926.44 - Step 6: Final answer
x = 174,457.35
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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.