Finding the Fourth Proportional to 258,216.26, 386,135.30 and 245,619.14
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Solution
The fourth proportional to 258,216.26, 386,135.30 and 245,619.14 is: 367,297.63
Step by Step Solution
- Step 1: Write the proportion equation
258,216.26 : 386,135.30 = 245,619.14 : x - Step 2: Convert to fraction form
258,216.26/386,135.30 = 245,619.14/x - Step 3: Cross multiply
258,216.26x = 386,135.30 × 245,619.14 - Step 4: Simplify right side
258,216.26x = 94,842,218,993.01 - Step 5: Solve for x
x = 94,842,218,993.01/258,216.26 - Step 6: Final answer
x = 367,297.63
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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.