Finding the Fourth Proportional to 293,857.44, 405,523.20 and 159,721.44
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Solution
The fourth proportional to 293,857.44, 405,523.20 and 159,721.44 is: 220,415.55
Step by Step Solution
- Step 1: Write the proportion equation
293,857.44 : 405,523.20 = 159,721.44 : x - Step 2: Convert to fraction form
293,857.44/405,523.20 = 159,721.44/x - Step 3: Cross multiply
293,857.44x = 405,523.20 × 159,721.44 - Step 4: Simplify right side
293,857.44x = 64,770,749,457.41 - Step 5: Solve for x
x = 64,770,749,457.41/293,857.44 - Step 6: Final answer
x = 220,415.55
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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.