Finding the Fourth Proportional to 292,991.36, 438,770.25 and 264,592.44
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Solution
The fourth proportional to 292,991.36, 438,770.25 and 264,592.44 is: 396,241.35
Step by Step Solution
- Step 1: Write the proportion equation
292,991.36 : 438,770.25 = 264,592.44 : x - Step 2: Convert to fraction form
292,991.36/438,770.25 = 264,592.44/x - Step 3: Cross multiply
292,991.36x = 438,770.25 × 264,592.44 - Step 4: Simplify right side
292,991.36x = 116,095,291,046.91 - Step 5: Solve for x
x = 116,095,291,046.91/292,991.36 - Step 6: Final answer
x = 396,241.35
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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.