Finding the Fourth Proportional to 405,824.75, 560,040.08 and 226,976.75
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Solution
The fourth proportional to 405,824.75, 560,040.08 and 226,976.75 is: 313,228.99
Step by Step Solution
- Step 1: Write the proportion equation
405,824.75 : 560,040.08 = 226,976.75 : x - Step 2: Convert to fraction form
405,824.75/560,040.08 = 226,976.75/x - Step 3: Cross multiply
405,824.75x = 560,040.08 × 226,976.75 - Step 4: Simplify right side
405,824.75x = 127,116,076,093.26 - Step 5: Solve for x
x = 127,116,076,093.26/405,824.75 - Step 6: Final answer
x = 313,228.99
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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.