Finding the Fourth Proportional to 235,361.14, 324,764.56 and 138,507.42
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Solution
The fourth proportional to 235,361.14, 324,764.56 and 138,507.42 is: 191,120.34
Step by Step Solution
- Step 1: Write the proportion equation
235,361.14 : 324,764.56 = 138,507.42 : x - Step 2: Convert to fraction form
235,361.14/324,764.56 = 138,507.42/x - Step 3: Cross multiply
235,361.14x = 324,764.56 × 138,507.42 - Step 4: Simplify right side
235,361.14x = 44,982,301,313.04 - Step 5: Solve for x
x = 44,982,301,313.04/235,361.14 - Step 6: Final answer
x = 191,120.34
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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.