Finding the Fourth Proportional to 252,950.60, 349,107.43 and 161,040.53
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Solution
The fourth proportional to 252,950.60, 349,107.43 and 161,040.53 is: 222,258.60
Step by Step Solution
- Step 1: Write the proportion equation
252,950.60 : 349,107.43 = 161,040.53 : x - Step 2: Convert to fraction form
252,950.60/349,107.43 = 161,040.53/x - Step 3: Cross multiply
252,950.60x = 349,107.43 × 161,040.53 - Step 4: Simplify right side
252,950.60x = 56,220,445,554.14 - Step 5: Solve for x
x = 56,220,445,554.14/252,950.60 - Step 6: Final answer
x = 222,258.60
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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.