Finding the Fourth Proportional to 393,453.06, 590,212.11 and 165,814.53
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Solution
The fourth proportional to 393,453.06, 590,212.11 and 165,814.53 is: 248,735.50
Step by Step Solution
- Step 1: Write the proportion equation
393,453.06 : 590,212.11 = 165,814.53 : x - Step 2: Convert to fraction form
393,453.06/590,212.11 = 165,814.53/x - Step 3: Cross multiply
393,453.06x = 590,212.11 × 165,814.53 - Step 4: Simplify right side
393,453.06x = 97,865,743,619.96 - Step 5: Solve for x
x = 97,865,743,619.96/393,453.06 - Step 6: Final answer
x = 248,735.50
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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.