Finding the Fourth Proportional to 235,326.75, 324,751.40 and 129,342.75
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Solution
The fourth proportional to 235,326.75, 324,751.40 and 129,342.75 is: 178,493.26
Step by Step Solution
- Step 1: Write the proportion equation
235,326.75 : 324,751.40 = 129,342.75 : x - Step 2: Convert to fraction form
235,326.75/324,751.40 = 129,342.75/x - Step 3: Cross multiply
235,326.75x = 324,751.40 × 129,342.75 - Step 4: Simplify right side
235,326.75x = 42,004,238,495.64 - Step 5: Solve for x
x = 42,004,238,495.64/235,326.75 - Step 6: Final answer
x = 178,493.26
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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.