Finding the Fourth Proportional to 235,171.14, 324,539.12 and 127,742.96
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Solution
The fourth proportional to 235,171.14, 324,539.12 and 127,742.96 is: 176,286.89
Step by Step Solution
- Step 1: Write the proportion equation
235,171.14 : 324,539.12 = 127,742.96 : x - Step 2: Convert to fraction form
235,171.14/324,539.12 = 127,742.96/x - Step 3: Cross multiply
235,171.14x = 324,539.12 × 127,742.96 - Step 4: Simplify right side
235,171.14x = 41,457,587,824.60 - Step 5: Solve for x
x = 41,457,587,824.60/235,171.14 - Step 6: Final answer
x = 176,286.89
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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.