Finding the Fourth Proportional to 258,299.52, 387,450.24 and 71,326.08
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Solution
The fourth proportional to 258,299.52, 387,450.24 and 71,326.08 is: 106,989.39
Step by Step Solution
- Step 1: Write the proportion equation
258,299.52 : 387,450.24 = 71,326.08 : x - Step 2: Convert to fraction form
258,299.52/387,450.24 = 71,326.08/x - Step 3: Cross multiply
258,299.52x = 387,450.24 × 71,326.08 - Step 4: Simplify right side
258,299.52x = 27,635,306,814.26 - Step 5: Solve for x
x = 27,635,306,814.26/258,299.52 - Step 6: Final answer
x = 106,989.39
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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.