Finding the Fourth Proportional to 258,594.80, 356,909.97 and 161,843.65
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Solution
The fourth proportional to 258,594.80, 356,909.97 and 161,843.65 is: 223,375.00
Step by Step Solution
- Step 1: Write the proportion equation
258,594.80 : 356,909.97 = 161,843.65 : x - Step 2: Convert to fraction form
258,594.80/356,909.97 = 161,843.65/x - Step 3: Cross multiply
258,594.80x = 356,909.97 × 161,843.65 - Step 4: Simplify right side
258,594.80x = 57,763,612,266.19 - Step 5: Solve for x
x = 57,763,612,266.19/258,594.80 - Step 6: Final answer
x = 223,375.00
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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.