Finding the Fourth Proportional to 320,690.48, 442,546.62 and 177,450.62
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Solution
The fourth proportional to 320,690.48, 442,546.62 and 177,450.62 is: 244,878.40
Step by Step Solution
- Step 1: Write the proportion equation
320,690.48 : 442,546.62 = 177,450.62 : x - Step 2: Convert to fraction form
320,690.48/442,546.62 = 177,450.62/x - Step 3: Cross multiply
320,690.48x = 442,546.62 × 177,450.62 - Step 4: Simplify right side
320,690.48x = 78,530,172,097.90 - Step 5: Solve for x
x = 78,530,172,097.90/320,690.48 - Step 6: Final answer
x = 244,878.40
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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.