Finding the Fourth Proportional to 220,735.09, 331,242.36 and 94,376.31
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Solution
The fourth proportional to 220,735.09, 331,242.36 and 94,376.31 is: 141,624.20
Step by Step Solution
- Step 1: Write the proportion equation
220,735.09 : 331,242.36 = 94,376.31 : x - Step 2: Convert to fraction form
220,735.09/331,242.36 = 94,376.31/x - Step 3: Cross multiply
220,735.09x = 331,242.36 × 94,376.31 - Step 4: Simplify right side
220,735.09x = 31,261,430,587.29 - Step 5: Solve for x
x = 31,261,430,587.29/220,735.09 - Step 6: Final answer
x = 141,624.20
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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.